medium4.7
CVE-2021-41180
Nextcloud talk is a self hosting messaging service.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nextcloud | Talk | before 12.1.2 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4fxr-mrw2-cq92
- https://github.com/nextcloud/spreed/pull/6239
- https://hackerone.com/reports/1337178
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4fxr-mrw2-cq92
- https://github.com/nextcloud/spreed/pull/6239
- https://hackerone.com/reports/1337178