Matrix SDK for React's URL preview setting for a room is controllable by the homeserver

TRUNG BÌNH 6.5CVE-2024-42347 · GHSA-f83w-wqhc-cfp4 · Công bố 06/08/2024 · cập nhật 17/06/2026

Tóm tắt nhanh

CVE-2024-42347 là lỗ hổng mức TRUNG BÌNH (CVSS 6.5) ảnh hưởng matrix-react-sdk (matrix), matrix-react-sdk.
Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.43%, cao hơn 37.0% các lỗ hổng khác.
Cách xử lý: cập nhật lên 3.105.1 hoặc mới hơn.

Gói / sản phẩm	Phiên bản bị ảnh hưởng	Phiên bản đã vá
matrix-react-sdk matrix	`< 3.105.1`	`3.105.1`
matrix-react-sdk npm	`< 3.105.1`	`3.105.1`

Mô tả

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) 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.

Mô tả của NVD

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.