CVE-2021-41180 Geolocation preview links can be set to arbitrary links in nextcloud talk
An attacker can manipulate geolocation preview links in the Nextcloud Talk Android app to redirect users to arbitrary malicious sites.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-41180?
CVE-2021-41180 is a medium-severity vulnerability in nextcloud security-advisories, published on 8 Mar 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-601
Which versions are affected by CVE-2021-41180?
It affects 1 product.
Products include Nextcloud Talk.
How do I fix CVE-2021-41180?
No fix has been published for CVE-2021-41180 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-41180 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-41180 exists.
Other vulnerabilities in nextcloud security-advisories
- CVE-2020-8180 Code injection in Nextcloud Talk
- CVE-2021-32689 Nextcloud Talk not properly disassociating users from chats after account deletion
- CVE-2023-39957 Path traversal allows tricking the Talk Android app into writing files into it's root directory
- CVE-2021-32676 Session Fixation in Nextcloud Talk
- CVE-2021-39222 XSS in Talk
Sources
Also known as GHSA-4fxr-mrw2-cq92.