CVE-2021-44512 Misconfiguration in n/a
Local attackers can compromise session integrity or steal session IDs due to world-writable permissions on the tmate sessions directory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-44512?
CVE-2021-44512 is a high-severity vulnerability in n/a, published on 7 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
World-writable permissions on the /tmp/tmate/sessions directory in tmate-ssh-server 2.3.0 allow a local attacker to compromise the integrity of session handling, or obtain the read-write session ID from a read-only session symlink in this directory.
Weakness: CWE-732
Which versions are affected by CVE-2021-44512?
It affects 1 product.
Products include Tmate Tmate-Ssh-Server.
How do I fix CVE-2021-44512?
Apply the vendor's patch.
Is CVE-2021-44512 being exploited?
There is no known exploitation of CVE-2021-44512 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-44512, GHSA-mpgw-pwqr-q9jp, UBUNTU-CVE-2021-44512.