PT-2023-22302 · Unknown+1 · Matrix-Js-Sdk+1
Kasak
·
Publicado
2023-04-14
·
Atualizado
2023-04-25
·
CVE-2023-29529
CVSS v3.1
5.3
Média
| Vetor | AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
matrix-js-sdk versions prior to 24.1.0
Description
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.
Recommendations
For versions prior to 24.1.0, update to version 24.1.0 to resolve the issue. As a temporary workaround, users may hold group calls in private rooms where only the exact users who are expected to participate in the call are present.
Exploit
Correção
Missing Authorization
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Debian
Matrix-Js-Sdk