Open Xchange

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context

CVE-2024-4367 8.8 - High - May 14, 2024

A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

E-Mail containing malicious display-name information could trigger client-side script execution when using specific mobile devices

CVE-2024-23186 6.1 - Medium - May 06, 2024

E-Mail containing malicious display-name information could trigger client-side script execution when using specific mobile devices. Attackers could perform malicious API requests or extract information from the users account. Please deploy the provided updates and patch releases. We now use safer methods of handling external content when embedding displayname information to the web interface. No publicly available exploits are known.

XSS

Content-ID based embedding of resources in E-Mails could be abused to trigger client-side script code when using the "show more" option

CVE-2024-23187 6.1 - Medium - May 06, 2024

Content-ID based embedding of resources in E-Mails could be abused to trigger client-side script code when using the "show more" option. Attackers could perform malicious API requests or extract information from the users account. Exploiting the vulnerability requires user interaction. Please deploy the provided updates and patch releases. CID replacement has been hardened to omit invalid identifiers. No publicly available exploits are known.

XSS

E-Mails exported as PDF were stored in a cache that did not consider specific session information for the related user account

CVE-2024-23193 5.3 - Medium - May 06, 2024

E-Mails exported as PDF were stored in a cache that did not consider specific session information for the related user account. Users of the same service node could access other users E-Mails in case they were exported as PDF for a brief moment until caches were cleared. Successful exploitation requires good timing and modification of multiple request parameters. Please deploy the provided updates and patch releases. The cache for PDF exports now takes user session information into consideration when performing authorization decisions. No publicly available exploits are known.

Session Fixation

User ID references at mentions in document comments were not correctly sanitized

CVE-2023-41703 6.1 - Medium - February 12, 2024

User ID references at mentions in document comments were not correctly sanitized. Script code could be injected to a users session when working with a malicious document. Please deploy the provided updates and patch releases. User-defined content like comments and mentions are now filtered to avoid potentially malicious content. No publicly available exploits are known.

XSS

Processing of CID references at E-Mail can be abused to inject malicious script code that passes the sanitization engine

CVE-2023-41704 6.1 - Medium - February 12, 2024

Processing of CID references at E-Mail can be abused to inject malicious script code that passes the sanitization engine. Malicious script code could be injected to a users sessions when interacting with E-Mails. Please deploy the provided updates and patch releases. CID handing has been improved and resulting content is checked for malicious content. No publicly available exploits are known.

XSS

Processing of user-defined DAV user-agent strings is not limited

CVE-2023-41705 6.5 - Medium - February 12, 2024

Processing of user-defined DAV user-agent strings is not limited. Availability of OX App Suite could be reduced due to high processing load. Please deploy the provided updates and patch releases. Processing time of DAV user-agents now gets monitored, and the related request is terminated if a resource threshold is reached. No publicly available exploits are known.

Processing time of drive search expressions now gets monitored, and the related request is terminated if a resource threshold is reached

CVE-2023-41706 6.5 - Medium - February 12, 2024

Processing time of drive search expressions now gets monitored, and the related request is terminated if a resource threshold is reached. Availability of OX App Suite could be reduced due to high processing load. Please deploy the provided updates and patch releases. Processing of user-defined drive search expressions is not limited No publicly available exploits are known.

References to the "app loader" functionality could contain redirects to unexpected locations

CVE-2023-41708 5.4 - Medium - February 12, 2024

References to the "app loader" functionality could contain redirects to unexpected locations. Attackers could forge app references that bypass existing safeguards to inject malicious script code. Please deploy the provided updates and patch releases. References to apps are now controlled more strict to avoid relative references. No publicly available exploits are known.

XSS

Processing of user-defined mail search expressions is not limited

CVE-2023-41707 6.5 - Medium - February 12, 2024

Processing of user-defined mail search expressions is not limited. Availability of OX App Suite could be reduced due to high processing load. Please deploy the provided updates and patch releases. Processing time of mail search expressions now gets monitored, and the related request is terminated if a resource threshold is reached. No publicly available exploits are known.

User-defined OXMF templates could be used to access a limited part of the internal OX App Suite Java API

CVE-2023-29051 8.1 - High - January 08, 2024

User-defined OXMF templates could be used to access a limited part of the internal OX App Suite Java API. The existing switch to disable the feature by default was not effective in this case. Unauthorized users could discover and modify application state, including objects related to other users and contexts. We now make sure that the switch to disable user-generated templates by default works as intended and will remove the feature in future generations of the product. No publicly available exploits are known.

A component for parsing OXMF templates could be abused to execute arbitrary system commands

CVE-2023-29048 8.8 - High - January 08, 2024

A component for parsing OXMF templates could be abused to execute arbitrary system commands that would be executed as the non-privileged runtime user. Users and attackers could run system commands with limited privilege to gain unauthorized access to confidential information and potentially violate integrity by modifying resources. The template engine has been reconfigured to deny execution of harmful commands on a system level. No publicly available exploits are known.

Shell injection

The "upsell" widget at the portal page could be abused to inject arbitrary script code

CVE-2023-29049 6.1 - Medium - January 08, 2024

The "upsell" widget at the portal page could be abused to inject arbitrary script code. Attackers that manage to lure users to a compromised account, or gain temporary access to a legitimate account, could inject script code to gain persistent code execution capabilities under a trusted domain. User input for this widget is now sanitized to avoid malicious content the be processed. No publicly available exploits are known.

XSS

The optional "LDAP contacts provider" could be abused by privileged users to inject LDAP filter strings

CVE-2023-29050 9.6 - Critical - January 08, 2024

The optional "LDAP contacts provider" could be abused by privileged users to inject LDAP filter strings that allow to access content outside of the intended hierarchy. Unauthorized users could break confidentiality of information in the directory and potentially cause high load on the directory server, leading to denial of service. Encoding has been added for user-provided fragments that are used when constructing the LDAP query. No publicly available exploits are known.

Injection

Users were able to define disclaimer texts for an upsell shop dialog that would contain script code that was not sanitized correctly

CVE-2023-29052 5.4 - Medium - January 08, 2024

Users were able to define disclaimer texts for an upsell shop dialog that would contain script code that was not sanitized correctly. Attackers could lure victims to user accounts with malicious script code and make them execute it in the context of a trusted domain. We added sanitization for this content. No publicly available exploits are known.

XSS

User-defined script code could be stored for a upsell related shop URL

CVE-2023-41710 5.4 - Medium - January 08, 2024

User-defined script code could be stored for a upsell related shop URL. This code was not correctly sanitized when adding it to DOM. Attackers could lure victims to user accounts with malicious script code and make them execute it in the context of a trusted domain. We added sanitization for this content. No publicly available exploits are known.

XSS

Requests to cache an image and return its metadata could be abused to include SQL queries that would be executed unchecked

CVE-2023-26452 8.8 - High - November 02, 2023

Requests to cache an image and return its metadata could be abused to include SQL queries that would be executed unchecked. Exploiting this vulnerability requires at least access to adjacent networks of the imageconverter service, which is not exposed to public networks by default. Arbitrary SQL statements could be executed in the context of the services database user account. API requests are now properly checked for valid content and attempts to circumvent this check are being logged as error. No publicly available exploits are known.

SQL Injection

Requests to cache an image could be abused to include SQL queries that would be executed unchecked

CVE-2023-26453 8.8 - High - November 02, 2023

Requests to cache an image could be abused to include SQL queries that would be executed unchecked. Exploiting this vulnerability requires at least access to adjacent networks of the imageconverter service, which is not exposed to public networks by default. Arbitrary SQL statements could be executed in the context of the services database user account. API requests are now properly checked for valid content and attempts to circumvent this check are being logged as error. No publicly available exploits are known.

SQL Injection

Requests to fetch image metadata could be abused to include SQL queries that would be executed unchecked

CVE-2023-26454 8.8 - High - November 02, 2023

Requests to fetch image metadata could be abused to include SQL queries that would be executed unchecked. Exploiting this vulnerability requires at least access to adjacent networks of the imageconverter service, which is not exposed to public networks by default. Arbitrary SQL statements could be executed in the context of the services database user account. API requests are now properly checked for valid content and attempts to circumvent this check are being logged as error. No publicly available exploits are known.

SQL Injection

RMI was not requiring authentication when calling ChronosRMIService:setEventOrganizer

CVE-2023-26455 7.8 - High - November 02, 2023

RMI was not requiring authentication when calling ChronosRMIService:setEventOrganizer. Attackers with local or adjacent network access could abuse the RMI service to modify calendar items using RMI. RMI access is restricted to localhost by default. The interface has been updated to require authenticated requests. No publicly available exploits are known.

authentification

Users were able to set an arbitrary "product name" for OX Guard

CVE-2023-26456 5.4 - Medium - November 02, 2023

Users were able to set an arbitrary "product name" for OX Guard. The chosen value was not sufficiently sanitized before processing it at the user interface, allowing for indirect cross-site scripting attacks. Accounts that were temporarily taken over could be configured to trigger persistent code execution, allowing an attacker to build a foothold. Sanitization is in place for product names now. No publicly available exploits are known.

XSS

Presentations may contain references to images, which are user-controlled, and could include malicious script code

CVE-2023-29043 6.1 - Medium - November 02, 2023

Presentations may contain references to images, which are user-controlled, and could include malicious script code that is being processed when editing a document. Script code embedded in malicious documents could be executed in the context of the user editing the document when performing certain actions, like copying content. The relevant attribute does now get encoded to avoid the possibility of executing script code. No publicly available exploits are known.

XSS

Documents operations could be manipulated to contain invalid data types, possibly script code

CVE-2023-29044 5.4 - Medium - November 02, 2023

Documents operations could be manipulated to contain invalid data types, possibly script code. Script code could be injected to an operation that would be executed for users that are actively collaborating on the same document. Operation data exchanged between collaborating parties does now get escaped to avoid code execution. No publicly available exploits are known.

XSS

Documents operations, in this case "drawing", could be manipulated to contain invalid data types, possibly script code

CVE-2023-29045 5.4 - Medium - November 02, 2023

Documents operations, in this case "drawing", could be manipulated to contain invalid data types, possibly script code. Script code could be injected to an operation that would be executed for users that are actively collaborating on the same document. Operation data exchanged between collaborating parties does now gets checked for validity to avoid code execution. No publicly available exploits are known.

XSS

Connections to external data sources

CVE-2023-29046 4.3 - Medium - November 02, 2023

Connections to external data sources, like e-mail autoconfiguration, were not terminated in case they hit a timeout, instead those connections were logged. Some connections use user-controlled endpoints, which could be malicious and attempt to keep the connection open for an extended period of time. As a result users were able to trigger large amount of egress network connections, possibly exhausting network pool resources and lock up legitimate requests. A new mechanism has been introduced to cancel external connections that might access user-controlled endpoints. No publicly available exploits are known.

Resource Exhaustion

Imageconverter API endpoints provided methods

CVE-2023-29047 7.3 - High - November 02, 2023

Imageconverter API endpoints provided methods that were not sufficiently validating and sanitizing client input, allowing to inject arbitrary SQL statements. An attacker with access to the adjacent network and potentially API credentials, could read and modify database content which is accessible to the imageconverter SQL user account. None No publicly available exploits are known.

SQL Injection

The "OX Chat" web service did not specify a media-type when processing responses by external resources

CVE-2023-26449 5.4 - Medium - August 02, 2023

The "OX Chat" web service did not specify a media-type when processing responses by external resources. Malicious script code can be executed within the victims context. This can lead to session hijacking or triggering unwanted actions via the web interface and API. To exploit this an attacker would require temporary access to the users account or lure a user to a compromised account. We are now defining the accepted media-type to avoid code execution. No publicly available exploits are known.

XSS

Custom log-in and log-out locations are used-defined as jslob but were not checked to contain malicious protocol handlers

CVE-2023-26448 5.4 - Medium - August 02, 2023

Custom log-in and log-out locations are used-defined as jslob but were not checked to contain malicious protocol handlers. Malicious script code can be executed within the victims context. This can lead to session hijacking or triggering unwanted actions via the web interface and API. To exploit this an attacker would require temporary access to the users account or lure a user to a compromised account. We now sanitize jslob content for those locations to avoid redirects to malicious content. No publicly available exploits are known.

XSS

Functions with insufficient randomness were used to generate authorization tokens of the integrated oAuth Authorization Service

CVE-2023-26451 7.5 - High - August 02, 2023

Functions with insufficient randomness were used to generate authorization tokens of the integrated oAuth Authorization Service. Authorization codes were predictable for third parties and could be used to intercept and take over the client authorization process. As a result, other users accounts could be compromised. The oAuth Authorization Service is not enabled by default. We have updated the implementation to use sources with sufficient randomness to generate authorization tokens. No publicly available exploits are known.

Use of Insufficiently Random Values

The "OX Count" web service did not specify a media-type when processing responses by external resources

CVE-2023-26450 5.4 - Medium - August 02, 2023

The "OX Count" web service did not specify a media-type when processing responses by external resources. Malicious script code can be executed within the victims context. This can lead to session hijacking or triggering unwanted actions via the web interface and API. To exploit this an attacker would require temporary access to the users account or lure a user to a compromised account. We are now defining the accepted media-type to avoid code execution. No publicly available exploits are known.

XSS

The "upsell" widget for the portal allows to specify a product description

CVE-2023-26447 5.4 - Medium - August 02, 2023

The "upsell" widget for the portal allows to specify a product description. This description taken from a user-controllable jslob did not get escaped before being added to DOM. Malicious script code can be executed within the victims context. This can lead to session hijacking or triggering unwanted actions via the web interface and API. To exploit this an attacker would require temporary access to the users account or lure a user to a compromised account. We now sanitize jslob content. No publicly available exploits are known.

XSS

The users clientID at "application passwords" was not sanitized or escaped before being added to DOM

CVE-2023-26446 5.4 - Medium - August 02, 2023

The users clientID at "application passwords" was not sanitized or escaped before being added to DOM. Malicious script code can be executed within the victims context. This can lead to session hijacking or triggering unwanted actions via the web interface and API. To exploit this an attacker would require temporary access to the users account or lure a user to a compromised account. We now sanitize the user-controllable clientID parameter. No publicly available exploits are known.

XSS

Frontend themes are defined by user-controllable jslob settings and could point to a malicious resource which gets processed during login

CVE-2023-26445 5.4 - Medium - August 02, 2023

Frontend themes are defined by user-controllable jslob settings and could point to a malicious resource which gets processed during login. Malicious script code can be executed within the victims context. This can lead to session hijacking or triggering unwanted actions via the web interface and API. To exploit this an attacker would require temporary access to the users account or lure a user to a compromised account. We now sanitize the theme value and use a default fallback if no theme matches. No publicly available exploits are known.

XSS

External service lookups for a number of protocols were vulnerable to a time-of-check/time-of-use (TOCTOU) weakness

CVE-2023-26438 3.1 - Low - August 02, 2023

External service lookups for a number of protocols were vulnerable to a time-of-check/time-of-use (TOCTOU) weakness, involving the JDK DNS cache. Attackers that were timing DNS cache expiry correctly were able to inject configuration that would bypass existing network deny-lists. Attackers could exploit this weakness to discover the existence of restricted network infrastructure and service availability. Improvements were made to include deny-lists not only during the check of the provided connection data, but also during use. No publicly available exploits are known.

SSRF

Attackers with access to user accounts can inject arbitrary control characters to SIEVE mail-filter rules

CVE-2023-26430 4.3 - Medium - August 02, 2023

Attackers with access to user accounts can inject arbitrary control characters to SIEVE mail-filter rules. This could be abused to access SIEVE extension that are not allowed by App Suite or to inject rules which would break per-user filter processing, requiring manual cleanup of such rules. We have added sanitization to all mail-filter APIs to avoid forwardning control characters to subsystems. No publicly available exploits are known.

Command Injection

In case Cacheservice was configured to use a sproxyd object-storage backend, it would follow HTTP redirects issued by that backend

CVE-2023-26442 3.2 - Low - August 02, 2023

In case Cacheservice was configured to use a sproxyd object-storage backend, it would follow HTTP redirects issued by that backend. An attacker with access to a local or restricted network with the capability to intercept and replay HTTP requests to sproxyd (or who is in control of the sproxyd service) could perform a server-side request-forgery attack and make Cacheservice connect to unexpected resources. We have disabled the ability to follow HTTP redirects when connecting to sproxyd resources. No publicly available exploits are known.

SSRF

Cacheservice did not correctly check if relative cache object were pointing to the defined absolute location when accessing resources

CVE-2023-26441 5.5 - Medium - August 02, 2023

Cacheservice did not correctly check if relative cache object were pointing to the defined absolute location when accessing resources. An attacker with access to the database and a local or restricted network would be able to read arbitrary local file system resources that are accessible by the services system user account. We have improved path validation and make sure that any access is contained to the defined root directory. No publicly available exploits are known.

Directory traversal

The cacheservice API could be abused to indirectly inject parameters with SQL syntax

CVE-2023-26440 7.8 - High - August 02, 2023

The cacheservice API could be abused to indirectly inject parameters with SQL syntax which was insufficiently sanitized and would later be executed when creating new cache groups. Attackers with access to a local or restricted network could perform arbitrary SQL queries. We have improved the input check for API calls and filter for potentially malicious content. No publicly available exploits are known.

SQL Injection

The cacheservice API could be abused to inject parameters with SQL syntax

CVE-2023-26439 7.8 - High - August 02, 2023

The cacheservice API could be abused to inject parameters with SQL syntax which was insufficiently sanitized before getting executed as SQL statement. Attackers with access to a local or restricted network were able to perform arbitrary SQL queries, discovering other users cached data. We have improved the input check for API calls and filter for potentially malicious content. No publicly available exploits are known.

SQL Injection

Full-text autocomplete search allows user-provided SQL syntax to be injected to SQL statements

CVE-2023-26443 9.8 - Critical - August 02, 2023

Full-text autocomplete search allows user-provided SQL syntax to be injected to SQL statements. With existing sanitization in place, this can be abused to trigger benign SQL Exceptions but could potentially be escalated to a malicious SQL injection vulnerability. We now properly encode single quotes for SQL FULLTEXT queries. No publicly available exploits are known.

SQL Injection

IPv4-mapped IPv6 addresses did not get recognized as "local" by the code and a connection attempt is made

CVE-2023-26431 4.3 - Medium - June 20, 2023

IPv4-mapped IPv6 addresses did not get recognized as "local" by the code and a connection attempt is made. Attackers with access to user accounts could use this to bypass existing deny-list functionality and trigger requests to restricted network infrastructure to gain insight about topology and running services. We now respect possible IPV4-mapped IPv6 addresses when checking if contained in a deny-list. No publicly available exploits are known.

SSRF

It was possible to call filesystem and network references using the local LibreOffice instance using manipulated ODT documents

CVE-2023-26435 5 - Medium - June 20, 2023

It was possible to call filesystem and network references using the local LibreOffice instance using manipulated ODT documents. Attackers could discover restricted network topology and services as well as including local files with read permissions of the open-xchange system user. This was limited to specific file-types, like images. We have improved existing content filters and validators to avoid including any local resources. No publicly available exploits are known.

SSRF

When adding an external mail account, processing of IMAP "capabilities" responses are not limited to plausible sizes

CVE-2023-26433 4.3 - Medium - June 20, 2023

When adding an external mail account, processing of IMAP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue IMAP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted IMAP server response to reasonable length/size. No publicly available exploits are known.

Attackers with access to the "documentconverterws" API were able to inject serialized Java objects

CVE-2023-26436 8.8 - High - June 20, 2023

Attackers with access to the "documentconverterws" API were able to inject serialized Java objects, that were not properly checked during deserialization. Access to this API endpoint is restricted to local networks by default. Arbitrary code could be injected that is being executed when processing the request. A check has been introduced to restrict processing of legal and expected classes for this API. We now log a warning in case there are attempts to inject illegal classes. No publicly available exploits are known.

Marshaling, Unmarshaling

When adding an external mail account, processing of POP3 "capabilities" responses are not limited to plausible sizes

CVE-2023-26434 4.3 - Medium - June 20, 2023

When adding an external mail account, processing of POP3 "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue POP3 service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted POP3 server response to reasonable length/size. No publicly available exploits are known.

Default permissions for a properties file were too permissive

CVE-2023-26427 3.3 - Low - June 20, 2023

Default permissions for a properties file were too permissive. Local system users could read potentially sensitive information. We updated the default permissions for noreply.properties set during package installation. No publicly available exploits are known.

Incorrect Permission Assignment for Critical Resource

Attackers can successfully request arbitrary snippet IDs, including E-Mail signatures of other users within the same context

CVE-2023-26428 6.5 - Medium - June 20, 2023

Attackers can successfully request arbitrary snippet IDs, including E-Mail signatures of other users within the same context. Signatures of other users could be read even though they are not explicitly shared. We improved permission handling when requesting snippets that are not explicitly shared with other users. No publicly available exploits are known.

Insecure Direct Object Reference / IDOR

Control characters were not removed when exporting user feedback content

CVE-2023-26429 5.3 - Medium - June 20, 2023

Control characters were not removed when exporting user feedback content. This allowed attackers to include unexpected content via user feedback and potentially break the exported data structure. We now drop all control characters that are not whitespace character during the export. No publicly available exploits are known.

Command Injection

When adding an external mail account, processing of SMTP "capabilities" responses are not limited to plausible sizes

CVE-2023-26432 4.3 - Medium - June 20, 2023

When adding an external mail account, processing of SMTP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue SMTP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted SMTP server response to reasonable length/size. No publicly available exploits are known.

OX App Suite before backend 7.10.6-rev37

CVE-2023-24599 4.3 - Medium - May 29, 2023

OX App Suite before backend 7.10.6-rev37 allows authenticated users to change the appointments of arbitrary users via conflicting ID numbers, aka "ID confusion."