CVE-2023-45149 Password of talk conversations can be bruteforced in Nextcloud
Attackers can brute-force public conversation passwords in Nextcloud Talk due to missing rate limiting, potentially gaining unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-45149?
CVE-2023-45149 is a medium-severity vulnerability in nextcloud security-advisories, published on 16 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Nextcloud talk is a chat module for the Nextcloud server platform. In affected versions brute force protection of public talk conversation passwords can be bypassed, as there was an endpoint validating the conversation password without registering bruteforce attempts. It is recommended that the Nextcloud Talk app is upgraded to 15.0.8, 16.0.6 or 17.1.1. There are no known workarounds for this vulnerability.
Weakness: CWE-307
Which versions are affected by CVE-2023-45149?
It affects 1 product.
Products include Nextcloud Talk.
How do I fix CVE-2023-45149?
No fix has been published for CVE-2023-45149 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-45149 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45149 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-7rf8-pqmj-rpqv.