CVE-2018-12291 Affecting matrix-synapse package, versions <0.24.0+dfsg-1ubuntu0.1~esm1
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-UBUNTU1804-MATRIXSYNAPSE-1193730
- published13 May 2023
- disclosed13 Jun 2018
Introduced: 13 Jun 2018
CVE-2018-12291 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 matrix-synapse to version 0.24.0+dfsg-1ubuntu0.1~esm1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream matrix-synapse package and not the matrix-synapse package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.