CVE-2024-42369

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

20/08/2024

Last modified:

21/08/2024

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&#39;s getRoomUpgradeHistory function will infinitely recurse in this case, causing the code to hang. This method is public but also called by the &#39;leaveRoomChain()&#39; method, so leaving a room will also trigger the bug. This was patched in matrix-js-sdk 34.3.1.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): Low