Improper Input Validation Affecting matrix-synapse package, versions [,1.120.2)
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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- published4 Dec 2024
- disclosed3 Dec 2024
- creditUnknown
Introduced: 3 Dec 2024
CVE-2024-52815 (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.