CVE-2023-43796: Synapse vulnerable to leak of remote user device information
(updated )
Cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver.
References
- github.com/advisories/GHSA-mp92-3jfm-3575
- github.com/matrix-org/synapse
- github.com/matrix-org/synapse/commit/daec55e1fe120c564240c5386e77941372bf458f
- github.com/matrix-org/synapse/security/advisories/GHSA-mp92-3jfm-3575
- github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2023-230.yaml
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2IDEEZMFJBDLTFHQUTZRJJNCOZGQ2ZVS
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VH3RNC5ZPQZ4OKPSL4E6BBJSZOQLGDEY
- nvd.nist.gov/vuln/detail/CVE-2023-43796
- security.gentoo.org/glsa/202401-12
Code Behaviors & Features
Detect and mitigate CVE-2023-43796 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →