CVE-2024-53867

Published: Dec 3, 2024Modified: Dec 3, 2024

4.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitability: 2.8 / Impact: 1.4

Source: security-advisories@github.com (Secondary)

Description

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.

Related CWEs

CWE-497

Exposure of Sensitive System Information to an Unauthorized Control Sphere

The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does.

References (2)

https://github.com/element-hq/synapse/security/advisories/GHSA-56w4-5538-8v8h

Source: security-advisories@github.com

https://github.com/matrix-org/matrix-spec-proposals/pull/4186

Source: security-advisories@github.com

Timeline

No history available yet.