CVE-2024-52815 – matrix-synapse

Package

Manager: pip
Name: matrix-synapse
Vulnerable Version: >=0 <1.120.1

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00095 pctl0.27345

Details

Synapse allows a a malformed invite to break the invitee's `/sync` ### Impact 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. ### Patches Synapse 1.120.1 rejects such invalid invites received over federation and restores the ability to sync for affected users. ### Workarounds Server administrators can disable federation from untrusted servers. ### For more information If you have any questions or comments about this advisory, please email us at [security at element.io](mailto:security@element.io).

Metadata

Created: 2024-12-03T18:42:48Z
Modified: 2024-12-03T18:42:48Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/12/GHSA-f3r3-h2mq-hx2h/GHSA-f3r3-h2mq-hx2h.json
CWE IDs: ["CWE-20"]
Alternative ID: GHSA-f3r3-h2mq-hx2h
Finding: F184
Auto approve: 1