FreeRDP

FreeRDP is a set of free and open source remote desktop protocol library and clients

CVE-2024-22211 9.8 - Critical - January 19, 2024

FreeRDP is a set of free and open source remote desktop protocol library and clients. In affected versions an integer overflow in `freerdp_bitmap_planar_context_reset` leads to heap-buffer overflow. This affects FreeRDP based clients. FreeRDP based server implementations and proxy are not affected. A malicious server could prepare a `RDPGFX_RESET_GRAPHICS_PDU` to allocate too small buffers, possibly triggering later out of bound read/write. Data extraction over network is not possible, the buffers are used to display an image. This issue has been addressed in version 2.11.5 and 3.2.0. Users are advised to upgrade. there are no know workarounds for this vulnerability.

Integer Overflow or Wraparound

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40181 9.1 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Integer-Underflow leading to Out-Of-Bound Read in the `zgfx_decompress_segment` function. In the context of `CopyMemory`, it's possible to read data beyond the transmitted packet range and likely cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Out-of-bounds Read

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40186 9.8 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an IntegerOverflow leading to Out-Of-Bound Write Vulnerability in the `gdi_CreateSurface` function. This issue affects FreeRDP based clients only. FreeRDP proxies are not affected as image decoding is not done by a proxy. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Memory Corruption

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40187 9.8 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of the 3.x beta branch are subject to a Use-After-Free issue in the `avc420_ensure_buffer` and `avc444_ensure_buffer` functions. If the value of `piDstSize[x]` is 0, `ppYUVDstData[x]` will be freed. However, in this case `ppYUVDstData[x]` will not have been updated which leads to a Use-After-Free vulnerability. This issue has been addressed in version 3.0.0-beta3. Users of the 3.x beta releases are advised to upgrade. There are no known workarounds for this vulnerability.

Dangling pointer

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40569 9.8 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `progressive_decompress` function. This issue is likely down to incorrect calculations of the `nXSrc` and `nYSrc` variables. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. there are no known workarounds for this vulnerability.

Memory Corruption

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40574 9.8 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `writePixelBGRX` function. This issue is likely down to incorrect calculations of the `nHeight` and `srcStep` variables. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Memory Corruption

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40188 9.1 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the `general_LumaToYUV444` function. This Out-Of-Bounds Read occurs because processing is done on the `in` variable without checking if it contains data of sufficient length. Insufficient data for the `in` variable may cause errors or crashes. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Out-of-bounds Read

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40567 9.8 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `clear_decompress_bands_data` function in which there is no offset validation. Abuse of this vulnerability may lead to an out of bounds write. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. there are no known workarounds for this vulnerability.

Memory Corruption

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40576 7.5 - High - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the `RleDecompress` function. This Out-Of-Bounds Read occurs because FreeRDP processes the `pbSrcBuffer` variable without checking if it contains data of sufficient length. Insufficient data in the `pbSrcBuffer` variable may cause errors or crashes. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Out-of-bounds Read

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40575 9.1 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the `general_YUV444ToRGB_8u_P3AC4R_BGRX` function. This issue is likely down to insufficient data for the `pSrc` variable and results in crashes. This issue has been addressed in version 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Out-of-bounds Read

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-39352 9.8 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an invalid offset validation leading to Out Of Bound Write. This can be triggered when the values `rect->left` and `rect->top` are exactly equal to `surface->width` and `surface->height`. eg. `rect->left` == `surface->width` && `rect->top` == `surface->height`. In practice this should cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Memory Corruption

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-39356 9.1 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a missing offset validation may lead to an Out Of Bound Read in the function `gdi_multi_opaque_rect`. In particular there is no code to validate if the value `multi_opaque_rect->numRectangles` is less than 45. Looping through `multi_opaque_rect->`numRectangles without proper boundary checks can lead to Out-of-Bounds Read errors which will likely lead to a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Out-of-bounds Read

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-39353 9.1 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to a missing offset validation leading to Out Of Bound Read. In the `libfreerdp/codec/rfx.c` file there is no offset validation in `tile->quantIdxY`, `tile->quantIdxCb`, and `tile->quantIdxCr`. As a result crafted input can lead to an out of bounds read access which in turn will cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Out-of-bounds Read

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-39351 7.5 - High - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of FreeRDP are subject to a Null Pointer Dereference leading a crash in the RemoteFX (rfx) handling. Inside the `rfx_process_message_tileset` function, the program allocates tiles using `rfx_allocate_tiles` for the number of numTiles. If the initialization process of tiles is not completed for various reasons, tiles will have a NULL pointer. Which may be accessed in further processing and would cause a program crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

NULL Pointer Dereference

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-39350 7.5 - High - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). When an insufficient blockLen is provided, and proper length validation is not performed, an Integer Underflow occurs, leading to a Denial of Service (DOS) vulnerability. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Integer underflow

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-39354 7.5 - High - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Read in the `nsc_rle_decompress_data` function. The Out-Of-Bounds Read occurs because it processes `context->Planes` without checking if it contains data of sufficient length. Should an attacker be able to leverage this vulnerability they may be able to cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Out-of-bounds Read

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-39355 9.8 - Critical - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Versions of FreeRDP on the 3.x release branch before beta3 are subject to a Use-After-Free in processing `RDPGFX_CMDID_RESETGRAPHICS` packets. If `context->maxPlaneSize` is 0, `context->planesBuffer` will be freed. However, without updating `context->planesBuffer`, this leads to a Use-After-Free exploit vector. In most environments this should only result in a crash. This issue has been addressed in version 3.0.0-beta3 and users of the beta 3.x releases are advised to upgrade. There are no known workarounds for this vulnerability.

Dangling pointer

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2023-40589 7.5 - High - August 31, 2023

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Classic Buffer Overflow

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-39317 4.6 - Medium - November 16, 2022

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.

Out-of-bounds Read

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-39318 5.7 - Medium - November 16, 2022

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with division by zero. This issue has been addressed in version 2.9.0. All users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

Improper Input Validation

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-39319 4.6 - Medium - November 16, 2022

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in the `urbdrc` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

Out-of-bounds Read

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-39320 4.6 - Medium - November 16, 2022

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

Out-of-bounds Read

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-39316 5.7 - Medium - November 16, 2022

FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in the 2.9.0 release. Users are advised to upgrade.

Out-of-bounds Read

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-39347 5.7 - Medium - November 16, 2022

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for `drive` channel. A malicious server can trick a FreeRDP based client to read files outside the shared directory. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/drive`, `/drives` or `+home-drive` redirection switch.

Directory traversal

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-41877 4.6 - Medium - November 16, 2022

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input length validation in `drive` channel. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the drive redirection channel - command line options `/drive`, `+drives` or `+home-drive`.

Improper Validation of Specified Quantity in Input

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-39282 7.5 - High - October 12, 2022

FreeRDP is a free remote desktop protocol library and clients. FreeRDP based clients on unix systems using `/parallel` command line switch might read uninitialized data and send it to the server the client is currently connected to. FreeRDP based server implementations are not affected. Please upgrade to 2.8.1 where this issue is patched. If unable to upgrade, do not use parallel port redirection (`/parallel` command line switch) as a workaround.

Use of Uninitialized Resource

FreeRDP is a free remote desktop protocol library and clients

CVE-2022-39283 7.5 - High - October 12, 2022

FreeRDP is a free remote desktop protocol library and clients. All FreeRDP based clients when using the `/video` command line switch might read uninitialized data, decode it as audio/video and display the result. FreeRDP based server implementations are not affected. This issue has been patched in version 2.8.1. If you cannot upgrade do not use the `/video` switch.

Use of Uninitialized Resource

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP)

CVE-2022-24882 7.5 - High - April 26, 2022

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). In versions prior to 2.7.0, NT LAN Manager (NTLM) authentication does not properly abort when someone provides and empty password value. This issue affects FreeRDP based RDP Server implementations. RDP clients are not affected. The vulnerability is patched in FreeRDP 2.7.0. There are currently no known workarounds.

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP)

CVE-2022-24883 9.8 - Critical - April 26, 2022

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 2.7.0, server side authentication against a `SAM` file might be successful for invalid credentials if the server has configured an invalid `SAM` file path. FreeRDP based clients are not affected. RDP server implementations using FreeRDP to authenticate against a `SAM` file are affected. Version 2.7.0 contains a fix for this issue. As a workaround, use custom authentication via `HashCallback` and/or ensure the `SAM` database path configured is valid and the application has file handles left.

authentification

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2021-41160 8.8 - High - October 21, 2021

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a malicious server might trigger out of bound writes in a connected client. Connections using GDI or SurfaceCommands to send graphics updates to the client might send `0` width/height or out of bound rectangles to trigger out of bound writes. With `0` width or heigth the memory allocation will be `0` but the missing bounds checks allow writing to the pointer at this (not allocated) region. This issue has been patched in FreeRDP 2.4.1.

Memory Corruption

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license

CVE-2021-41159 8.8 - High - October 21, 2021

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. All FreeRDP clients prior to version 2.4.1 using gateway connections (`/gt:rpc`) fail to validate input data. A malicious gateway might allow client memory to be written out of bounds. This issue has been resolved in version 2.4.1. If you are unable to update then use `/gt:http` rather than /gt:rdp connections if possible or use a direct connection without a gateway.

Memory Corruption

In FreeRDP less than or equal to 2.1.2, an integer overflow exists due to missing input sanitation in rdpegfx channel

CVE-2020-15103 3.5 - Low - July 27, 2020

In FreeRDP less than or equal to 2.1.2, an integer overflow exists due to missing input sanitation in rdpegfx channel. All FreeRDP clients are affected. The input rectangles from the server are not checked against local surface coordinates and blindly accepted. A malicious server can send data that will crash the client later on (invalid length arguments to a `memcpy`) This has been fixed in 2.2.0. As a workaround, stop using command line arguments /gfx, /gfx-h264 and /network:auto

Integer Overflow to Buffer Overflow

In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS

CVE-2020-4033 6.5 - Medium - June 22, 2020

In FreeRDP before version 2.1.2, there is an out of bounds read in RLEDECOMPRESS. All FreeRDP based clients with sessions with color depth < 32 are affected. This is fixed in version 2.1.2.

Out-of-bounds Read

In FreeRDP before version 2.1.2, an out of bound reads occurs resulting in accessing a memory location

CVE-2020-11095 5.4 - Medium - June 22, 2020

In FreeRDP before version 2.1.2, an out of bound reads occurs resulting in accessing a memory location that is outside of the boundaries of the static array PRIMARY_DRAWING_ORDER_FIELD_BYTES. This is fixed in version 2.1.2.

Out-of-bounds Read

In FreeRDP before version 2.1.2, there is a global OOB read in update_read_cache_bitmap_v3_order

CVE-2020-11096 6.5 - Medium - June 22, 2020

In FreeRDP before version 2.1.2, there is a global OOB read in update_read_cache_bitmap_v3_order. As a workaround, one can disable bitmap cache with -bitmap-cache (default). This is fixed in version 2.1.2.

Out-of-bounds Read

In FreeRDP before version 2.1.2, an out of bounds read occurs resulting in accessing a memory location

CVE-2020-11097 5.4 - Medium - June 22, 2020

In FreeRDP before version 2.1.2, an out of bounds read occurs resulting in accessing a memory location that is outside of the boundaries of the static array PRIMARY_DRAWING_ORDER_FIELD_BYTES. This is fixed in version 2.1.2.

Out-of-bounds Read

In FreeRDP before version 2.1.2, there is an out-of-bound read in glyph_cache_put

CVE-2020-11098 6.5 - Medium - June 22, 2020

In FreeRDP before version 2.1.2, there is an out-of-bound read in glyph_cache_put. This affects all FreeRDP clients with `+glyph-cache` option enabled This is fixed in version 2.1.2.

Out-of-bounds Read

In FreeRDP before version 2.1.2, there is an out of bounds read in license_read_new_or_upgrade_license_packet

CVE-2020-11099 6.5 - Medium - June 22, 2020

In FreeRDP before version 2.1.2, there is an out of bounds read in license_read_new_or_upgrade_license_packet. A manipulated license packet can lead to out of bound reads to an internal buffer. This is fixed in version 2.1.2.

Out-of-bounds Read

In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order

CVE-2020-4032 4.3 - Medium - June 22, 2020

In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.

Incorrect Conversion between Numeric Types

In FreeRDP before version 2.1.2, there is an out of bounds read in TrioParse

CVE-2020-4030 6.5 - Medium - June 22, 2020

In FreeRDP before version 2.1.2, there is an out of bounds read in TrioParse. Logging might bypass string length checks due to an integer overflow. This is fixed in version 2.1.2.

Out-of-bounds Read

In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject

CVE-2020-4031 7.5 - High - June 22, 2020

In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject. All FreeRDP clients using compatibility mode with /relax-order-checks are affected. This is fixed in version 2.1.2.

Dangling pointer

In FreeRDP less than or equal to 2.0.0, there is an out-of-bounds read in rfx_process_message_tileset

CVE-2020-11043 2.7 - Low - May 29, 2020

In FreeRDP less than or equal to 2.0.0, there is an out-of-bounds read in rfx_process_message_tileset. Invalid data fed to RFX decoder results in garbage on screen (as colors). This has been patched in 2.1.0.

Out-of-bounds Read

In FreeRDP before 2.1.0, there is an out-of-bounds read in cliprdr_read_format_list

CVE-2020-11085 3.5 - Low - May 29, 2020

In FreeRDP before 2.1.0, there is an out-of-bounds read in cliprdr_read_format_list. Clipboard format data read (by client or server) might read data out-of-bounds. This has been fixed in 2.1.0.

Out-of-bounds Read

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound data read

CVE-2020-11040 2.7 - Low - May 29, 2020

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound data read from memory in clear_decompress_subcode_rlex, visualized on screen as color. This has been patched in 2.1.0.

Out-of-bounds Read

In FreeRDP before 2.1.0

CVE-2020-11089 5.5 - Medium - May 29, 2020

In FreeRDP before 2.1.0, there is an out-of-bound read in irp functions (parallel_process_irp_create, serial_process_irp_create, drive_process_irp_write, printer_process_irp_write, rdpei_recv_pdu, serial_process_irp_write). This has been fixed in 2.1.0.

Out-of-bounds Read

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_NegotiateMessage

CVE-2020-11088 5.4 - Medium - May 29, 2020

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_NegotiateMessage. This has been fixed in 2.1.0.

Out-of-bounds Read

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_AuthenticateMessage

CVE-2020-11087 5.4 - Medium - May 29, 2020

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_AuthenticateMessage. This has been fixed in 2.1.0.

Out-of-bounds Read

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_ntlm_v2_client_challenge

CVE-2020-11086 5.4 - Medium - May 29, 2020

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_ntlm_v2_client_challenge that reads up to 28 bytes out-of-bound to an internal structure. This has been fixed in 2.1.0.

Out-of-bounds Read

In FreeRDP less than or equal to 2.0.0, an Integer Overflow to Buffer Overflow exists

CVE-2020-11038 5.4 - Medium - May 29, 2020

In FreeRDP less than or equal to 2.0.0, an Integer Overflow to Buffer Overflow exists. When using /video redirection, a manipulated server can instruct the client to allocate a buffer with a smaller size than requested due to an integer overflow in size calculation. With later messages, the server can manipulate the client to write data out of bound to the previously allocated buffer. This has been patched in 2.1.0.

Integer Overflow to Buffer Overflow

In FreeRDP less than or equal to 2.0.0

CVE-2020-11019 6.5 - Medium - May 29, 2020

In FreeRDP less than or equal to 2.0.0, when running with logger set to "WLOG_TRACE", a possible crash of application could occur due to a read of an invalid array index. Data could be printed as string to local terminal. This has been fixed in 2.1.0.

Out-of-bounds Read

In FreeRDP less than or equal to 2.0.0, when using a manipulated server with USB redirection enabled (nearly) arbitrary memory

CVE-2020-11039 6.8 - Medium - May 29, 2020

In FreeRDP less than or equal to 2.0.0, when using a manipulated server with USB redirection enabled (nearly) arbitrary memory can be read and written due to integer overflows in length checks. This has been patched in 2.1.0.

Integer Overflow or Wraparound

In FreeRDP less than or equal to 2.0.0

CVE-2020-11041 2.7 - Low - May 29, 2020

In FreeRDP less than or equal to 2.0.0, an outside controlled array index is used unchecked for data used as configuration for sound backend (alsa, oss, pulse, ...). The most likely outcome is a crash of the client instance followed by no or distorted sound or a session disconnect. If a user cannot upgrade to the patched version, a workaround is to disable sound for the session. This has been patched in 2.1.0.

out-of-bounds array index

In FreeRDP less than or equal to 2.0.0, a possible resource exhaustion vulnerability can be performed

CVE-2020-11018 6.5 - Medium - May 29, 2020

In FreeRDP less than or equal to 2.0.0, a possible resource exhaustion vulnerability can be performed. Malicious clients could trigger out of bound reads causing memory allocation with random size. This has been fixed in 2.1.0.

Out-of-bounds Read

In FreeRDP less than or equal to 2.0.0, by providing manipulated input a malicious client

CVE-2020-11017 6.5 - Medium - May 29, 2020

In FreeRDP less than or equal to 2.0.0, by providing manipulated input a malicious client can create a double free condition and crash the server. This is fixed in version 2.1.0.

Double-free

An issue was discovered in FreeRDP before 2.1.1

CVE-2020-13398 8.3 - High - May 22, 2020

An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) write vulnerability has been detected in crypto_rsa_common in libfreerdp/crypto/crypto.c.

Memory Corruption

An issue was discovered in FreeRDP before 2.1.1

CVE-2020-13397 5.5 - Medium - May 22, 2020

An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) read vulnerability has been detected in security_fips_decrypt in libfreerdp/core/security.c due to an uninitialized value.

Out-of-bounds Read

An issue was discovered in FreeRDP before 2.1.1

CVE-2020-13396 7.1 - High - May 22, 2020

An issue was discovered in FreeRDP before 2.1.1. An out-of-bounds (OOB) read vulnerability has been detected in ntlm_read_ChallengeMessage in winpr/libwinpr/sspi/NTLM/ntlm_message.c.

Out-of-bounds Read

libfreerdp/cache/bitmap.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out of bounds read.

CVE-2020-11525 2.2 - Low - May 15, 2020

libfreerdp/cache/bitmap.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out of bounds read.

Out-of-bounds Read

libfreerdp/core/update.c in FreeRDP versions > 1.1 through 2.0.0-rc4 has an Out-of-bounds Read.

CVE-2020-11526 2.2 - Low - May 15, 2020

libfreerdp/core/update.c in FreeRDP versions > 1.1 through 2.0.0-rc4 has an Out-of-bounds Read.

Out-of-bounds Read

libfreerdp/codec/interleaved.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.

CVE-2020-11524 6.6 - Medium - May 15, 2020

libfreerdp/codec/interleaved.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.

Memory Corruption

libfreerdp/gdi/region.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Integer Overflow.

CVE-2020-11523 6.6 - Medium - May 15, 2020

libfreerdp/gdi/region.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Integer Overflow.

Integer Overflow or Wraparound

libfreerdp/gdi/gdi.c in FreeRDP > 1.0 through 2.0.0-rc4 has an Out-of-bounds Read.

CVE-2020-11522 6.5 - Medium - May 15, 2020

libfreerdp/gdi/gdi.c in FreeRDP > 1.0 through 2.0.0-rc4 has an Out-of-bounds Read.

Out-of-bounds Read

libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.

CVE-2020-11521 6.6 - Medium - May 15, 2020

libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.

Out-of-bounds Read

In FreeRDP after 1.1 and before 2.0.0, a stream out-of-bounds seek in rdp_read_font_capability_set could lead to a later out-of-bounds read

CVE-2020-11058 2.2 - Low - May 12, 2020

In FreeRDP after 1.1 and before 2.0.0, a stream out-of-bounds seek in rdp_read_font_capability_set could lead to a later out-of-bounds read. As a result, a manipulated client or server might force a disconnect due to an invalid data read. This has been fixed in 2.0.0.

Buffer Overflow

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results

CVE-2020-11047 5.9 - Medium - May 07, 2020

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.

Out-of-bounds Read

In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bounds read

CVE-2020-11048 2.2 - Low - May 07, 2020

In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bounds read. It only allows to abort a session. No data extraction is possible. This has been fixed in 2.0.0.

Out-of-bounds Read

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bound read of client memory that is then passed on to the protocol parser

CVE-2020-11049 2.2 - Low - May 07, 2020

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bound read of client memory that is then passed on to the protocol parser. This has been patched in 2.0.0.

Out-of-bounds Read

In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info

CVE-2020-11042 5.9 - Medium - May 07, 2020

In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or store information for later retrieval. This has been patched in 2.0.0.

Out-of-bounds Read

In FreeRDP greater than 1.2 and before 2.0.0, a double free in update_read_cache_bitmap_v3_order crashes the client application if corrupted data

CVE-2020-11044 2.2 - Low - May 07, 2020

In FreeRDP greater than 1.2 and before 2.0.0, a double free in update_read_cache_bitmap_v3_order crashes the client application if corrupted data from a manipulated server is parsed. This has been patched in 2.0.0.

Double-free

In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bound read in in update_read_bitmap_data

CVE-2020-11045 3.3 - Low - May 07, 2020

In FreeRDP after 1.0 and before 2.0.0, there is an out-of-bound read in in update_read_bitmap_data that allows client memory to be read to an image buffer. The result displayed on screen as colour.

Out-of-bounds Read

In FreeRDP after 1.0 and before 2.0.0, there is a stream out-of-bounds seek in update_read_synchronize

CVE-2020-11046 2.2 - Low - May 07, 2020

In FreeRDP after 1.0 and before 2.0.0, there is a stream out-of-bounds seek in update_read_synchronize that could lead to a later out-of-bounds read.

Buffer Overflow

HuffmanTree_makeFromFrequencies in lodepng.c in LodePNG through 2019-09-28, as used in WinPR in FreeRDP and other products, has a memory leak

CVE-2019-17178 7.5 - High - October 04, 2019

HuffmanTree_makeFromFrequencies in lodepng.c in LodePNG through 2019-09-28, as used in WinPR in FreeRDP and other products, has a memory leak because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.

Missing Release of Resource after Effective Lifetime

libfreerdp/codec/region.c in FreeRDP through 1.1.x and 2.x through 2.0.0-rc4 has memory leaks because a supplied realloc pointer (i.e

CVE-2019-17177 7.5 - High - October 04, 2019

libfreerdp/codec/region.c in FreeRDP through 1.1.x and 2.x through 2.0.0-rc4 has memory leaks because a supplied realloc pointer (i.e., the first argument to realloc) is also used for a realloc return value.

Missing Release of Resource after Effective Lifetime

FreeRDP FreeRDP 2.0.0-rc3 released version before commit 205c612820dac644d665b5bb1cdf437dc5ca01e3 contains a Other/Unknown vulnerability in channels/drdynvc/client/drdynvc_main.c, drdynvc_process_capability_request

CVE-2018-1000852 6.5 - Medium - December 20, 2018

FreeRDP FreeRDP 2.0.0-rc3 released version before commit 205c612820dac644d665b5bb1cdf437dc5ca01e3 contains a Other/Unknown vulnerability in channels/drdynvc/client/drdynvc_main.c, drdynvc_process_capability_request that can result in The RDP server can read the client's memory.. This attack appear to be exploitable via RDPClient must connect the rdp server with echo option. This vulnerability appears to have been fixed in after commit 205c612820dac644d665b5bb1cdf437dc5ca01e3.

Out-of-bounds Read

FreeRDP prior to version 2.0.0-rc4 contains several Out-Of-Bounds Reads in the NTLM Authentication module

CVE-2018-8789 7.5 - High - November 29, 2018

FreeRDP prior to version 2.0.0-rc4 contains several Out-Of-Bounds Reads in the NTLM Authentication module that results in a Denial of Service (segfault).

Out-of-bounds Read

FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode()

CVE-2018-8788 9.8 - Critical - November 29, 2018

FreeRDP prior to version 2.0.0-rc4 contains an Out-Of-Bounds Write of up to 4 bytes in function nsc_rle_decode() that results in a memory corruption and possibly even a remote code execution.

Memory Corruption

FreeRDP prior to version 2.0.0-rc4 contains an Integer Overflow

CVE-2018-8787 9.8 - Critical - November 29, 2018

FreeRDP prior to version 2.0.0-rc4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function gdi_Bitmap_Decompress() and results in a memory corruption and probably even a remote code execution.

Integer Overflow or Wraparound

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation

CVE-2018-8786 9.8 - Critical - November 29, 2018

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably even a remote code execution.

Buffer Overflow

FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress()

CVE-2018-8785 9.8 - Critical - November 29, 2018

FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress() that results in a memory corruption and probably even a remote code execution.

Buffer Overflow

FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment()

CVE-2018-8784 9.8 - Critical - November 29, 2018

FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.

Buffer Overflow

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11

CVE-2017-2839 5.9 - Medium - April 24, 2018

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11

CVE-2017-2838 5.9 - Medium - April 24, 2018

An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.

Integer Overflow or Wraparound

An exploitable denial of service vulnerability exists within the handling of security data in FreeRDP 2.0.0-beta1+android11

CVE-2017-2837 5.9 - Medium - April 24, 2018

An exploitable denial of service vulnerability exists within the handling of security data in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.

Integer Overflow or Wraparound

An exploitable denial of service vulnerability exists within the reading of proprietary server certificates in FreeRDP 2.0.0-beta1+android11

CVE-2017-2836 5.9 - Medium - April 24, 2018

An exploitable denial of service vulnerability exists within the reading of proprietary server certificates in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.

Improper Certificate Validation

An exploitable code execution vulnerability exists in the RDP receive functionality of FreeRDP 2.0.0-beta1+android11

CVE-2017-2835 8.1 - High - April 24, 2018

An exploitable code execution vulnerability exists in the RDP receive functionality of FreeRDP 2.0.0-beta1+android11. A specially crafted server response can cause an out-of-bounds write resulting in an exploitable condition. An attacker can compromise the server or use a man in the middle to trigger this vulnerability.

Memory Corruption

An exploitable code execution vulnerability exists in the authentication functionality of FreeRDP 2.0.0-beta1+android11

CVE-2017-2834 7 - High - April 24, 2018

An exploitable code execution vulnerability exists in the authentication functionality of FreeRDP 2.0.0-beta1+android11. A specially crafted server response can cause an out-of-bounds write resulting in an exploitable condition. An attacker can compromise the server or use a man in the middle attack to trigger this vulnerability.

Memory Corruption

Integer overflow in the license_read_scope_list function in libfreerdp/core/license.c in FreeRDP through 1.0.2

CVE-2014-0791 - January 03, 2014

Integer overflow in the license_read_scope_list function in libfreerdp/core/license.c in FreeRDP through 1.0.2 allows remote RDP servers to cause a denial of service (application crash) or possibly have unspecified other impact via a large ScopeCount value in a Scope List in a Server License Request packet.

Numeric Errors