CVE-2023-29529

CVE-2023-29529 · matrix-js-sdk vulnerable to invisible eavesdropping in group calls

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matrix-js-sdk is the Matrix Client-Server SDK for JavaScript and TypeScript. An attacker present in a room where an MSC3401 group call is taking place can eavesdrop on the video and audio of participants using matrix-js-sdk, without their knowledge. To affected matrix-js-sdk users, the attacker will not appear to be participating in the call. This attack is possible because matrix-js-sdk's group call implementation accepts incoming direct calls from other users, even if they have not yet declared intent to participate in the group call, as a means of resolving a race condition in call setup. Affected versions do not restrict access to the user's outbound media in this case. Legacy 1:1 calls are unaffected. This is fixed in matrix-js-sdk 24.1.0. As a workaround, users may hold group calls in private rooms where only the exact users who are expected to participate in the call are present.

CVSS 5.0 · Средний · EPSS 0,5% · Есть исправление

Опубликовано

2023-04-14T18:21:17.050Z

Обновлено

2025-02-06T18:45:34.043Z

Стек: system · node

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