VYPR
Moderate severityNVD Advisory· Published Aug 20, 2024· Updated Sep 3, 2024

A room with itself as a its predecessor will freeze matrix-js-sdk

CVE-2024-42369

Description

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. A malicious homeserver can craft a room or room structure such that the predecessors form a cycle. The matrix-js-sdk's getRoomUpgradeHistory function will infinitely recurse in this case, causing the code to hang. This method is public but also called by the 'leaveRoomChain()' method, so leaving a room will also trigger the bug. This was patched in matrix-js-sdk 34.3.1.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
matrix-js-sdknpm
< 34.3.134.3.1

Affected products

4

Patches

Vulnerability mechanics

References

4

News mentions

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