CVE-2024-42347: URL preview setting for a room is controllable by the homeserver in matrix-react-sdk
First published: Tue Aug 06 2024(Updated: )
### Impact A malicious homeserver could manipulate a user's 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. Even if the CVSS score would be 4.1 ([AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N](https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N&version=3.1)) the maintainer classifies this as High severity issue. ### Patches This was patched in matrix-react-sdk 3.105.1. ### Workarounds Deployments that trust their homeservers, as well as closed federations of trusted servers, are not affected. ### References N/A.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| npm/matrix-react-sdk | <3.105.1 | 3.105.1 |
| Matrix React SDK | <3.105.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-42347?
CVE-2024-42347 has a CVSS score of 4.1, indicating a moderate severity level.
How do I fix CVE-2024-42347?
To fix CVE-2024-42347, upgrade the matrix-react-sdk to version 3.105.1 or later.
What type of vulnerability is CVE-2024-42347?
CVE-2024-42347 is a security vulnerability that allows malicious manipulation of user account data, specifically regarding URL previews in encrypted messages.
What software is affected by CVE-2024-42347?
CVE-2024-42347 affects the matrix-react-sdk version below 3.105.1.
What are the potential risks associated with CVE-2024-42347?
The potential risks of CVE-2024-42347 include unauthorized exposure of URLs in encrypted messages, compromising user privacy.
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