CVE-2022-41971 Nextcloud Talk guests can continue to receive video streams from call after being removed from a conversation
Removed guests in Nextcloud Talk Android can continue receiving video streams, allowing unauthorized viewing of call content.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-41971?
CVE-2022-41971 is a medium-severity missing authorization vulnerability in nextcloud security-advisories, published on 1 Dec 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Nextcould Talk android is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0, guests can continue to receive video streams from a call after being removed from a conversation. An attacker would be able to see videos on a call in a public conversation after being removed from that conversation, provided that they were removed while being in the call. Versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0 contain patches for the issue. No known workarounds are available.
Which versions are affected by CVE-2022-41971?
It affects 1 product.
Products include Nextcloud Nextcloud Talk.
How do I fix CVE-2022-41971?
No fix has been published for CVE-2022-41971 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2022-41971 being exploited?
There is no known exploitation of CVE-2022-41971 in the wild and no public exploit code.
Other vulnerabilities in nextcloud security-advisories
Sources
Also known as GHSA-wx6w-xpg9-6fv4.