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CVE-2024-42347

URL preview setting for a room is controllable by the homeserver in matrix-react-sdk

CVSS 7.7 HIGHEPSS 0.4%CWE-359
Vexday Risk Score
21Bajo
Decisión SSVC (CISA)
Track
Sin señal de explotación → monitorear
CVSS 7.7EPSS 0.4%KEV nãoPoC Nuclei Metasploit Patch
Ciclo de vida
06 ago 2024Publicada en NVD
Recomendación: Monitorear — sin señal de explotación por ahora.
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:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

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