High severityNVD Advisory· Published Dec 3, 2024· Updated Dec 3, 2024
Synapse allows a a malformed invite to break the invitee's `/sync`
CVE-2024-52815
Description
Synapse is an open-source Matrix homeserver. Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's /sync functionality. Synapse 1.120.1 rejects such invalid invites received over federation and restores the ability to sync for affected users.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
matrix-synapsePyPI | < 1.120.1 | 1.120.1 |
Affected products
3- ghsa-coords2 versions
< 1.120.1+ 1 more
- (no CPE)range: < 1.120.1
- (no CPE)range: < 1.120.2-1.1
- Range: < 1.120.1
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-f3r3-h2mq-hx2hghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-52815ghsaADVISORY
- github.com/element-hq/synapse/security/advisories/GHSA-f3r3-h2mq-hx2hghsax_refsource_CONFIRMWEB
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