Improper Input Validation Affecting matrix-synapse package, versions [0.34.0,1.93.0)
Threat Intelligence
EPSS
0.08% (36th
percentile)
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Test your applications- Snyk ID SNYK-PYTHON-MATRIXSYNAPSE-5920321
- published 27 Sep 2023
- disclosed 26 Sep 2023
- credit Unknown
Introduced: 26 Sep 2023
CVE-2023-42453 Open this link in a new tabHow to fix?
Upgrade matrix-synapse to version 1.93.0 or higher.
Overview
matrix-synapse is an ecosystem for open federated Instant Messaging and VoIP.
Affected versions of this package are vulnerable to Improper Input Validation due to the improper validation of receipts. An attacker can forge read receipts for any event by knowing the room ID and event ID.
References
CVSS Scores
version 3.1