What is CVE-2022-39212?

CVE-2022-39212 is a vulnerability in the Nextcloud Talk app that allows an attacker to see the last video frame of any participant who has video disabled but a camera selected.

How does CVE-2022-39212 impact Nextcloud Talk?

CVE-2022-39212 allows an attacker to view the last video frame of participants who have video disabled but a camera selected.

How severe is CVE-2022-39212?

CVE-2022-39212 has a severity rating of 5.3 (Medium).

What software versions are affected by CVE-2022-39212?

Versions up to 13.0.8 and versions between 14.0.0 and 14.0.4 of the Nextcloud Talk app are affected.

How can I mitigate the CVE-2022-39212 vulnerability?

To mitigate the CVE-2022-39212 vulnerability, it is recommended to upgrade the Nextcloud Talk app to version 13.0.8 or 14.0.4.

Vulnerability/
CVE-2022-39212

medium

5.3

CWE

200

16/9/2022

3/8/2024

CVE-2022-39212: Last video frame is still sent after video is disabled in a call in Nextcloud Talk

First published: Fri Sep 16 2022(Updated: )

Nextcloud Talk is an open source chat, video & audio calls client for the Nextcloud platform. In affected versions an attacker could see the last video frame of any participant who has video disabled but a camera selected. It is recommended that the Nextcloud Talk app is upgraded to 13.0.8 or 14.0.4. Users unable to upgrade should select "None" as camera before joining the call.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Nextcloud talk	<13.0.8
Nextcloud talk	>=14.0.0<14.0.4

Remedy

https://github.com/nextcloud/spreed/pull/7673

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Reference Links

Frequently Asked Questions

What is CVE-2022-39212?
CVE-2022-39212 is a vulnerability in the Nextcloud Talk app that allows an attacker to see the last video frame of any participant who has video disabled but a camera selected.
How does CVE-2022-39212 impact Nextcloud Talk?
CVE-2022-39212 allows an attacker to view the last video frame of participants who have video disabled but a camera selected.
How severe is CVE-2022-39212?
CVE-2022-39212 has a severity rating of 5.3 (Medium).
What software versions are affected by CVE-2022-39212?
Versions up to 13.0.8 and versions between 14.0.0 and 14.0.4 of the Nextcloud Talk app are affected.
How can I mitigate the CVE-2022-39212 vulnerability?
To mitigate the CVE-2022-39212 vulnerability, it is recommended to upgrade the Nextcloud Talk app to version 13.0.8 or 14.0.4.

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version/nextcloud talk/14.0.0

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