CVE-2022-39374

Name
CVE-2022-39374
Description
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://github.com/matrix-org/synapse/pull/13723
MISC https://github.com/matrix-org/synapse/security/advisories/GHSA-p9qp-c452-f9r7
MISC https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UJIJRP5ZH6B3KGFLHCAKR2IX2Y4Z25QD/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:* synapse >= 1.62.0 < 1.68.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status