CVE-2010-4707 Denial of service in n/a
Local attackers can cause resource exhaustion and denial of service in Linux-PAM by exploiting a missing file type check in the pam_xauth module.
- 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-2010-4707?
CVE-2010-4707 is a medium-severity denial of service vulnerability in n/a, published on 24 Jan 2011. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The check_acl function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service (resource consumption) via a special file.
Weakness: CWE-399
Which versions are affected by CVE-2010-4707?
It affects 1 product.
Products include Linux-Pam Linux-Pam.
How do I fix CVE-2010-4707?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2010-4707 being exploited?
There is no known exploitation of CVE-2010-4707 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2010-4707, GHSA-frff-99c9-q6rc.