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Last updated: 10/1/2014 4:10:24 AM

CVE Publication rate: 38.6

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-6462

Original release date: 01/09/2014
Last revised: 04/19/2014
Source: US-CERT/NIST

Overview

Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 9.3 (HIGH) (AV:N/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 56336
External Source: REDHAT
Name: RHSA-2014:0018
External Source: CONFIRM
Name: http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html
External Source: SECUNIA
Name: 56240
Type: Advisory
External Source: MLIST
Name: [xorg-announce] 20140107 X.Org Security Advisory: CVE-2013-6462: Stack buffer overflow in parsing of BDF font files in libXfont
Type: Advisory
External Source: MLIST
Name: [oss-security] 20140107 Fwd: X.Org Security Advisory: CVE-2013-6462: Stack buffer overflow in parsing of BDF font files in libXfont
External Source: CONFIRM
Name: http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63
Type: Patch Information; Exploit
External Source: SUSE
Name: openSUSE-SU-2014:0075
External Source: DEBIAN
Name: DSA-2838
External Source: SUSE
Name: openSUSE-SU-2014:0073
External Source: BID
Name: 64694
External Source: UBUNTU
Name: USN-2078-1
External Source: SECUNIA
Name: 56371
External Source: XF
Name: libxfont-cve20136462-bo(90123)
External Source: OSVDB
Name: 101842
External Source: SECUNIA
Name: 56357

Technical Details

Vulnerability Type (View All)