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By the Year

In 2022 there have been 0 vulnerabilities in Synology Directory Server . Directory Server did not have any published security vulnerabilities last year.

Year Vulnerabilities Average Score
2022 0 0.00
2021 0 0.00
2020 3 7.67
2019 1 6.10
2018 0 0.00

It may take a day or so for new Directory Server vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Synology Directory Server Security Vulnerabilities

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller

CVE-2020-1472 10 - Critical - August 17, 2020

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC), aka 'Netlogon Elevation of Privilege Vulnerability'.

Use of Insufficiently Random Values

All samba versions 4.9.x before 4.9.18, 4.10.x before 4.10.12 and 4.11.x before 4.11.5 have an issue where if it is set with "log level = 3" (or above) then the string obtained

CVE-2019-14907 6.5 - Medium - January 21, 2020

All samba versions 4.9.x before 4.9.18, 4.10.x before 4.10.12 and 4.11.x before 4.11.5 have an issue where if it is set with "log level = 3" (or above) then the string obtained from the client, after a failed character conversion, is printed. Such strings can be provided during the NTLMSSP authentication exchange. In the Samba AD DC in particular, this may cause a long-lived process(such as the RPC server) to terminate. (In the file server case, the most likely target, smbd, operates as process-per-client and so a crash there is harmless).

Out-of-bounds Read

There is a use-after-free issue in all samba 4.9.x versions before 4.9.18

CVE-2019-19344 6.5 - Medium - January 21, 2020

There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to a call to realloc() while other local variables still point at the original buffer.

Dangling pointer

A vulnerability was found in Samba from version (including) 4.9 to versions before 4.9.6 and 4.10.2

CVE-2019-3870 6.1 - Medium - April 09, 2019

A vulnerability was found in Samba from version (including) 4.9 to versions before 4.9.6 and 4.10.2. During the creation of a new Samba AD DC, files are created in a private subdirectory of the install location. This directory is typically mode 0700, that is owner (root) only access. However in some upgraded installations it will have other permissions, such as 0755, because this was the default before Samba 4.8. Within this directory, files are created with mode 0666, which is world-writable, including a sample krb5.conf, and the list of DNS names and servicePrincipalName values to update.

Incorrect Default Permissions

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