Improper Input Validation Affecting matrix-synapse package, versions [,1.120.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-PYTHON-MATRIXSYNAPSE-8454895
  • published4 Dec 2024
  • disclosed3 Dec 2024
  • creditUnknown

Introduced: 3 Dec 2024

NewCVE-2024-52815  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade matrix-synapse to version 1.120.2 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 via invite messages. An attacker can disrupt the /sync functionality by sending a specially crafted invite over federation.

Workaround

This vulnerability can be mitigated by disabling federation from untrusted servers.

References

CVSS Scores

version 4.0
version 3.1