Insufficient Verification of Data Authenticity Affecting matrix-synapse package, versions <1.5.0-1
Threat Intelligence
EPSS
0.24% (63rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-MATRIXSYNAPSE-482317
- published 10 Nov 2019
- disclosed 8 Nov 2019
Introduced: 8 Nov 2019
CVE-2019-18835 Open this link in a new tabHow to fix?
Upgrade Debian:unstable matrix-synapse to version 1.5.0-1 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.
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.
CVSS Scores
version 3.1