Exposure of Sensitive System Information to an Unauthorized Control Sphere Affecting matrix-synapse package, versions [1.113.0rc1,1.120.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-PYTHON-MATRIXSYNAPSE-8454892
- published4 Dec 2024
- disclosed3 Dec 2024
- creditUnknown
Introduced: 3 Dec 2024
NewCVE-2024-53867 (opens in a new tab)How to fix?
Upgrade matrix-synapse to version 1.120.2 or higher.
Overview
matrix-synapse is an ecosystem for open federated Instant Messaging and VoIP.
Affected versions of this package are vulnerable to Exposure of Sensitive System Information to an Unauthorized Control Sphere via the Sliding Sync feature. An attacker can leak partial room state changes to users no longer in a room by exploiting this feature.
Workaround
This vulnerability can be mitigated by disabling Sliding Sync.