CVE-2024-52815 — Synapse allows a a malformed invite to break the invitee's `/sync`

CVE-2024-52815

Synapse allows a a malformed invite to break the invitee's `/sync` PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
element-hq / synapse	affected < 1.120.1

CWE

CWE-20

References

https://github.com/element-hq/synapse/security/advisories/GHSA-f3r3-h2mq-hx2h

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.