Headline
CVE-2021-41180: Build software better, together
Nextcloud talk is a self hosting messaging service. In versions prior 12.1.2 an attacker is able to control the link of a geolocation preview in the Nextcloud Talk application due to a lack of validation on the link. This could result in an open-redirect, but required user interaction. This only affected users of the Android Talk client. It is recommended that the Nextcloud Talk App is upgraded to 12.1.2. There are no known workarounds.
Impact
An attacker is able to control the link of a geolocation preview in the Nextcloud Talk application. This could result in an open-redirect, but required user interaction. This only affected users of the Android Talk client.
Patches
It is recommended that the Nextcloud Talk App is upgraded to 12.1.2.
Workarounds
None.
References
- HackerOne
- Pull Request
For more information
If you have any questions or comments about this advisory:
- Create a post in nextcloud/security-advisories
- Customers: Open a support ticket at support.nextcloud.com