GHSA-mp92-3jfm-3575MediumCVSS 5.3
Synapse vulnerable to leak of remote user device information
🔗 CVE IDs covered (1)
📋 Description
Impact
Cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver.
Patches
System administrators are encouraged to upgrade to Synapse 1.95.1 as soon as possible.
Workarounds
The federation_domain_whitelist can be used to limit federation traffic with a homeserver.
🎯 Affected products1
- pip/matrix-synapse:< 1.95.1
🔗 References (8)
- https://github.com/matrix-org/synapse/security/advisories/GHSA-mp92-3jfm-3575
- https://nvd.nist.gov/vuln/detail/CVE-2023-43796
- https://github.com/matrix-org/synapse/commit/daec55e1fe120c564240c5386e77941372bf458f
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2023-230.yaml
- https://security.gentoo.org/glsa/202401-12
- https://lists.fedoraproject.org/archives/list/[email protected]/message/2IDEEZMFJBDLTFHQUTZRJJNCOZGQ2ZVS
- https://lists.fedoraproject.org/archives/list/[email protected]/message/VH3RNC5ZPQZ4OKPSL4E6BBJSZOQLGDEY
- https://github.com/advisories/GHSA-mp92-3jfm-3575