Security Advisory

CVE-2024-42347

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-08-06 17:16:14

Last updated 2024-08-08 18:48:19

Assigner GitHub_M

State PUBLISHED

Description

matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a users account data to cause the client to enable URL previews in end-to-end encrypted rooms, in which case any URLs in encrypted messages would be sent to the server. This was patched in matrix-react-sdk 3.105.0. Deployments that trust their homeservers, as well as closed federations of trusted servers, are not affected. Users are advised to upgrade. There are no known workarounds for this vulnerability.

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