CVE-2018-12423 Affecting matrix-synapse package, versions <0.31.2+dfsg-1
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-DEBIANUNSTABLE-MATRIXSYNAPSE-279819
- published14 Jun 2018
- disclosed14 Jun 2018
Introduced: 14 Jun 2018
CVE-2018-12423 (opens in a new tab)How to fix?
Upgrade Debian:unstable matrix-synapse to version 0.31.2+dfsg-1 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 Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.