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Vulnerability Details : CVE-2013-6462

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.
Publish Date : 2014-01-09 Last Update Date : 2014-04-19
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- CVSS Scores & Vulnerability Types

CVSS Score
9.3
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute CodeOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2014:0018: libXfont security update (Important) oval:org.mitre.oval:def:23621 unix
DSA-2838-1 libxfont - buffer overflow oval:org.mitre.oval:def:21257 unix
ELSA-2014:0018: libXfont security update (Important) oval:org.mitre.oval:def:24123 unix
RHSA-2014:0018: libXfont security update (Important) oval:org.mitre.oval:def:21902 unix
RHSA-2014:0018: libXfont security update (Important) oval:com.redhat.rhsa:def:20140018 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-6462

# Product Type Vendor Product Version Update Edition Language
1 Application X Libxfont 1.1.0 Version Details Vulnerabilities
2 Application X Libxfont 1.2.0 Version Details Vulnerabilities
3 Application X Libxfont 1.2.1 Version Details Vulnerabilities
4 Application X Libxfont 1.2.2 Version Details Vulnerabilities
5 Application X Libxfont 1.2.3 Version Details Vulnerabilities
6 Application X Libxfont 1.2.4 Version Details Vulnerabilities
7 Application X Libxfont 1.2.5 Version Details Vulnerabilities
8 Application X Libxfont 1.2.6 Version Details Vulnerabilities
9 Application X Libxfont 1.2.7 Version Details Vulnerabilities
10 Application X Libxfont 1.2.8 Version Details Vulnerabilities
11 Application X Libxfont 1.2.9 Version Details Vulnerabilities
12 Application X Libxfont 1.3.0 Version Details Vulnerabilities
13 Application X Libxfont 1.3.1 Version Details Vulnerabilities
14 Application X Libxfont 1.3.2 Version Details Vulnerabilities
15 Application X Libxfont 1.3.3 Version Details Vulnerabilities
16 Application X Libxfont 1.3.4 Version Details Vulnerabilities
17 Application X Libxfont 1.4.0 Version Details Vulnerabilities
18 Application X Libxfont 1.4.1 Version Details Vulnerabilities
19 Application X Libxfont 1.4.2 Version Details Vulnerabilities
20 Application X Libxfont 1.4.3 Version Details Vulnerabilities
21 Application X Libxfont 1.4.4 Version Details Vulnerabilities
22 Application X Libxfont 1.4.5 Version Details Vulnerabilities
23 Application X Libxfont 1.4.6 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
X Libxfont 23

- References For CVE-2013-6462

http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html
SUSE openSUSE-SU-2014:0073
http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html
SUSE openSUSE-SU-2014:0075
http://xforce.iss.net/xforce/xfdb/90123
XF libxfont-cve20136462-bo(90123)
http://osvdb.org/101842
OSVDB 101842
http://rhn.redhat.com/errata/RHSA-2014-0018.html
REDHAT RHSA-2014:0018
http://lists.x.org/archives/xorg-announce/2014-January/002389.html
MLIST [xorg-announce] 20140107 X.Org Security Advisory: CVE-2013-6462: Stack buffer overflow in parsing of BDF font files in libXfont
http://seclists.org/oss-sec/2014/q1/33
MLIST [oss-security] 20140107 Fwd: X.Org Security Advisory: CVE-2013-6462: Stack buffer overflow in parsing of BDF font files in libXfont
http://secunia.com/advisories/56240
SECUNIA 56240
http://www.ubuntu.com/usn/USN-2078-1
UBUNTU USN-2078-1
http://secunia.com/advisories/56357
SECUNIA 56357
http://secunia.com/advisories/56336
SECUNIA 56336
http://www.debian.org/security/2014/dsa-2838
DEBIAN DSA-2838
http://secunia.com/advisories/56371
SECUNIA 56371
http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html CONFIRM
http://www.securityfocus.com/bid/64694
BID 64694 X.Org libXfont BDF Font File Handling Stack Buffer Overflow Vulnerability Release Date:2014-08-01
http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63 CONFIRM

- Metasploit Modules Related To CVE-2013-6462

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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