Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| X | X Display Manager | 1.1.10 |
Related Weaknesses (CWE)
References
- http://cgit.freedesktop.org/xorg/app/xdm/commit/?id=8d1eb5c74413e4c9a21f689fc106ExploitPatch
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00002.html
- http://www.openwall.com/lists/oss-security/2013/06/13/8
- https://bugs.mageia.org/show_bug.cgi?id=10682
- http://cgit.freedesktop.org/xorg/app/xdm/commit/?id=8d1eb5c74413e4c9a21f689fc106ExploitPatch
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00002.html
- http://www.openwall.com/lists/oss-security/2013/06/13/8
- https://bugs.mageia.org/show_bug.cgi?id=10682
FAQ
What is CVE-2013-2179?
CVE-2013-2179 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 d...
How severe is CVE-2013-2179?
CVE-2013-2179 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-2179?
Check the references section above for vendor advisories and patch information. Affected products include: X X Display Manager.