Improper Authentication Affecting matrix-js-sdk package, versions >=9.11.0 <34.8.0
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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- published16 Oct 2024
- disclosed15 Oct 2024
- creditDenis Kasak
Introduced: 15 Oct 2024
CVE-2024-47080 (opens in a new tab)How to fix?
Upgrade matrix-js-sdk to version 34.8.0 or higher.
Overview
matrix-js-sdk is a Matrix Client-Server SDK for Javascript
Affected versions of this package are vulnerable to Improper Authentication through the sendSharedHistoryKeys method. An attacker can intercept and obtain sensitive historical keys by injecting malicious devices into the communication without proper verification of the user's cryptographic identity. This is only exploitable if the client is running the legacy crypto stack.
Note:
This vulnerability does not affect users using the new Rust cryptography stack (i.e., those that call MatrixClient.initRustCrypto() instead of MatrixClient.initCrypto()).