CVE-2013-2179 Null dereference in n/a
Remote attackers can crash X.Org xdm by logging into accounts with invalid password characters, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-2179?
CVE-2013-2179 is a medium-severity vulnerability in n/a, published on 27 Dec 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
X.Org xdm 1.1.10, 1.1.11, and possibly other versions, when performing authentication using certain implementations of the crypt API function that can return NULL, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by attempting to log into an account whose password field contains invalid characters, as demonstrated using the crypt function from glibc 2.17 and later with (1) the "!" character in the salt portion of a password field or (2) a password that has been encrypted using DES or MD5 in FIPS-140 mode.
Weakness: CWE-310
Which versions are affected by CVE-2013-2179?
It affects 1 product.
Linux distribution packages (1)
xdm openSUSE:Tumbleweed | All versions | 1.1.12-16.3 |
Products include X X Display Manager.
How do I fix CVE-2013-2179?
Apply the vendor's patch.
Is CVE-2013-2179 being exploited?
There is no known exploitation of CVE-2013-2179 in the wild and no public exploit code.
Sources
Also known as GHSA-qwx4-h45p-jj95, openSUSE-SU-2024:11519-1.