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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
21Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS 7.7EPSS 0.4%KEV nãoPoC Patch
Ciclo de vida
06 de ago. de 2024Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
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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