Matrix Synapse up to 1.47.0 Media Repository path traversal

Summaryinfo

A vulnerability categorized as critical has been discovered in Matrix Synapse up to 1.47.0. This impacts an unknown function of the component Media Repository. Executing a manipulation can lead to path traversal. The identification of this vulnerability is CVE-2021-41281. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Matrix Synapse up to 1.47.0. This vulnerability affects an unknown functionality of the component Media Repository. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity, and availability.

The weakness was shared 11/24/2021 as GHSA-3hfw-x7gx-437c. The advisory is available at github.com. This vulnerability was named CVE-2021-41281 since 09/15/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 1.47.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch 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

• Matrix

Name

• Synapse

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.44
• 1.45
• 1.46
• 1.47.0

License

• open-source

CPE 2.3info

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CPE 2.2info

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