Improper Input Validation Affecting matrix-synapse package, versions <0.28.1+dfsg-1
Threat Intelligence
EPSS
0.1% (42nd
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU2004-MATRIXSYNAPSE-1195050
- published 6 Apr 2021
- disclosed 2 May 2018
Introduced: 2 May 2018
CVE-2018-10657 Open this link in a new tabHow to fix?
Upgrade Ubuntu:20.04 matrix-synapse to version 0.28.1+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 Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2^63 - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018.