Vulnerability Report

CVE-2013-2179

Title: X X Display Manager Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2013-2179.

CWE Category CWE-310
Published Date Dec 27, 2013
Modified Date Apr 29, 2026
Exploit Status Not Found
Score 4.3 CVSS v2.0
Exploit Probability (EPSS)
0.76%

Vulnerability Summary

CVE-2013-2179: 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.

Impacted Vendors

X
x 1

Reference Links

http://cgit.freedesktop.org/xorg/app/xdm/commit/?id=8d1eb5c74413e4c9a21f689fc106949b121c0117 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=8d1eb5c74413e4c9a21f689fc106949b121c0117 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
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-2179 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.