National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-6462 Detail

Description

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.

Source:  MITRE      Last Modified:  01/09/2014

Quick Info

CVE Dictionary Entry:
CVE-2013-6462
Original release date:
01/09/2014
Last revised:
08/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
9.3 HIGH
Vector:
(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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Hyperlink Resource Type Source Name
http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63 Exploit; Patch External Source CONFIRM http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63
http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html External Source SUSE openSUSE-SU-2014:0073
http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html External Source SUSE openSUSE-SU-2014:0075
http://lists.x.org/archives/xorg-announce/2014-January/002389.html Vendor Advisory External Source MLIST [xorg-announce] 20140107 X.Org Security Advisory: CVE-2013-6462: Stack buffer overflow in parsing of BDF font files in libXfont
http://rhn.redhat.com/errata/RHSA-2014-0018.html External Source REDHAT RHSA-2014:0018
http://seclists.org/oss-sec/2014/q1/33 External Source MLIST [oss-security] 20140107 Fwd: X.Org Security Advisory: CVE-2013-6462: Stack buffer overflow in parsing of BDF font files in libXfont
http://www.debian.org/security/2014/dsa-2838 External Source DEBIAN DSA-2838
http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html External Source CONFIRM http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html
http://www.securityfocus.com/bid/64694 External Source BID 64694
http://www.ubuntu.com/usn/USN-2078-1 External Source UBUNTU USN-2078-1
https://exchange.xforce.ibmcloud.com/vulnerabilities/90123 External Source XF libxfont-cve20136462-bo(90123)

Technical Details

Vulnerability Type (View All)

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