CVE-2024-42347 — Exposure of Private Personal Information to an Unauthorized Actor in Matrix-react-sdk

CWE-359 — Exposure of Private Personal Information to an Unauthorized Actor4 documents4 sources
Severity
6.5MEDIUMNVD
CNA7.7
EPSS
0.8%
top 26.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Matrix-org Matrix-react-sdkMatrix Matrix-react-sdkMatrix-react-sdk Project Matrix-react-sdk
Timeline
PublishedAug 6

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…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5matrix-org/matrix-react-sdk< 3.105.1

🔴Vulnerability Details

3
OSV
Matrix SDK for React's URL preview setting for a room is controllable by the homeserver↗2024-08-06
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GHSA
Matrix SDK for React's URL preview setting for a room is controllable by the homeserver↗2024-08-06
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CVEList
URL preview setting for a room is controllable by the homeserver in matrix-react-sdk↗2024-08-06
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CVE-2024-42347 — Matrix-react-sdk vulnerability | cvebase