CVE-2024-53867 (GCVE-0-2024-53867)
Vulnerability from cvelistv5
Published
2024-12-03 16:52
Modified
2024-12-03 19:07
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere
Summary
Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1.
References
security-advisories@github.comhttps://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h
security-advisories@github.comhttps://github.com/matrix-org/matrix-spec-proposals/pull/4186
Impacted products
Vendor Product Version
element-hq synapse Version: >= 1.113.0rc1, < 1.120.1
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