CVE-2005-2949 Auth bypass in n/a
Attackers can bypass authentication and log in as other users by exploiting a flaw in the pam_per_user module that fails to verify username changes during authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2005-2949?
CVE-2005-2949 is a high-severity authentication bypass vulnerability in n/a, published on 16 Sep 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts and uses the same subrequest handle, which allows remote attackers or local users to login as other users by using certain applications that allow the username to be changed during authentication, such as /bin/login.
Which versions are affected by CVE-2005-2949?
It affects 1 product.
Products include Mark D. Roth Pam per User.
How do I fix CVE-2005-2949?
No fix has been published for CVE-2005-2949 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2005-2949 being exploited?
There is no known exploitation of CVE-2005-2949 in the wild and no public exploit code.
Sources
Also known as GHSA-4c48-9rfv-8pr3.