Exposure of System Data to an Unauthorized Control Sphere Affecting synapse package, versions <1.120.2-r0
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.
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Test your applications- Snyk IDSNYK-ALPINE321-SYNAPSE-8489666
- published6 Dec 2024
- disclosed3 Dec 2024
Introduced: 3 Dec 2024
NewCVE-2024-53867 (opens in a new tab)How to fix?
Upgrade Alpine:3.21 synapse to version 1.120.2-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream synapse package and not the synapse package as distributed by Alpine.
See How to fix? for Alpine:3.21 relevant fixed versions and status.
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.