mate-desktop atril up to 1.26.1 on Linux Document path traversal

Summaryinfo

A vulnerability was found in mate-desktop atril up to 1.26.1 on Linux. It has been declared as critical. Impacted is an unknown function of the component Document Handler. The manipulation results in path traversal. This vulnerability was named CVE-2023-52076. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in mate-desktop atril up to 1.26.1 on Linux. Affected is some unknown processing of the component Document Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Atril Document Viewer is the default document reader of the MATE desktop environment for Linux. A path traversal and arbitrary file write vulnerability exists in versions of Atril prior to 1.26.2. This vulnerability is capable of writing arbitrary files anywhere on the filesystem to which the user opening a crafted document has access. The only limitation is that this vulnerability cannot be exploited to overwrite existing files, but that doesn't stop an attacker from achieving Remote Command Execution on the target system. Version 1.26.2 of Atril contains a patch for this vulnerability.

The weakness was presented 01/25/2024 as GHSA-6mf6-mxpc-jc37. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-52076 since 12/26/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 1.26.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch e70b21c815418a1e6ebedf6d8d31b8477c03ba50 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

• mate-desktop

Name

• atril

Version

• 1.26.0
• 1.26.1

License

• open-source

Website

• Product: https://github.com/mate-desktop/atril/

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