CVE-2022-2031 Auth bypass in samba
A flaw in Samba allows users to obtain and use tickets for other services by exploiting shared keys between KDC and kpasswd, leading to unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-2031?
CVE-2022-2031 is a high-severity authentication bypass vulnerability in Samba Samba, published on 25 Aug 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.
Which versions are affected by CVE-2022-2031?
It affects 1 product.
Products include Samba Samba.
How do I fix CVE-2022-2031?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-2031 being exploited?
There is no known exploitation of CVE-2022-2031 in the wild and no public exploit code.
Other vulnerabilities in Samba Samba
Sources
Also known as ALPINE-CVE-2022-2031, AZL-10735, AZL-37011, DEBIAN-CVE-2022-2031, ECHO-10a7-d9e3-de7d, GHSA-rprh-2gf9-vfmv and 1 more.