Vulnerability 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 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. 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Matrix | Matrix-React-Sdk | < 3.105.1 |
Related Weaknesses (CWE)
References
- https://github.com/matrix-org/matrix-react-sdk/releases/tag/v3.105.1Release Notes
- https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-f83w-wqhVendor Advisory
FAQ
What is CVE-2024-42347?
CVE-2024-42347 is a vulnerability with a CVSS score of 7.7 (HIGH). 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 user's account data to cause the client to enable URL previews...
How severe is CVE-2024-42347?
CVE-2024-42347 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-42347?
Check the references section above for vendor advisories and patch information. Affected products include: Matrix Matrix-React-Sdk.