CVE-2008-2516 Auth bypass in n/a
Local attackers can bypass authentication and gain privileges by sending a SIGINT signal during password entry in specific PAM configurations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2008-2516?
CVE-2008-2516 is a medium-severity authentication bypass vulnerability in n/a, published on 3 Jun 2008. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
pam_sm_authenticate in pam_pgsql.c in libpam-pgsql 0.6.3 does not properly consider operator precedence when evaluating the success of a pam_get_pass function call, which allows local users to gain privileges via a SIGINT signal when this function is executing, as demonstrated by a CTRL-C sequence at a sudo password prompt in an "auth sufficient pam_pgsql.so" configuration.
Weakness: CWE-287
Which versions are affected by CVE-2008-2516?
It affects 1 product.
Products include Libpam-Pgsql Libpam-Pgsql.
How do I fix CVE-2008-2516?
No fix has been published for CVE-2008-2516 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-2008-2516 being exploited?
There is no known exploitation of CVE-2008-2516 in the wild and no public exploit code.
Sources
Also known as GHSA-f5j9-mgc7-gfx4.