CVE-2013-6462: Buffer Overflow
First published: Thu Jan 09 2014(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Libxfont | =1.1.0 | |
| Red Hat Libxfont | =1.2.0 | |
| Red Hat Libxfont | =1.2.1 | |
| Red Hat Libxfont | =1.2.2 | |
| Red Hat Libxfont | =1.2.3 | |
| Red Hat Libxfont | =1.2.4 | |
| Red Hat Libxfont | =1.2.5 | |
| Red Hat Libxfont | =1.2.6 | |
| Red Hat Libxfont | =1.2.7 | |
| Red Hat Libxfont | =1.2.8 | |
| Red Hat Libxfont | =1.2.9 | |
| Red Hat Libxfont | =1.3.0 | |
| Red Hat Libxfont | =1.3.1 | |
| Red Hat Libxfont | =1.3.2 | |
| Red Hat Libxfont | =1.3.3 | |
| Red Hat Libxfont | =1.3.4 | |
| Red Hat Libxfont | =1.4.0 | |
| Red Hat Libxfont | =1.4.1 | |
| Red Hat Libxfont | =1.4.2 | |
| Red Hat Libxfont | =1.4.3 | |
| Red Hat Libxfont | =1.4.4 | |
| Red Hat Libxfont | =1.4.5 | |
| Red Hat Libxfont | =1.4.6 |
Remedy
http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63
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Reference Links
- http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html
- http://lists.x.org/archives/xorg-announce/2014-January/002389.html
- http://osvdb.org/101842
- http://rhn.redhat.com/errata/RHSA-2014-0018.html
- http://seclists.org/oss-sec/2014/q1/33
- http://secunia.com/advisories/56240
- http://secunia.com/advisories/56336
- http://secunia.com/advisories/56357
- http://secunia.com/advisories/56371
- http://www.debian.org/security/2014/dsa-2838
- http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html
- http://www.securityfocus.com/bid/64694
- http://www.ubuntu.com/usn/USN-2078-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90123
Frequently Asked Questions
What is the severity of CVE-2013-6462?
CVE-2013-6462 has a high severity as it can lead to a denial of service or potentially allow remote code execution.
How do I fix CVE-2013-6462?
To fix CVE-2013-6462, upgrade the X.Org libXfont library to version 1.4.7 or later.
What software is affected by CVE-2013-6462?
CVE-2013-6462 affects X.Org libXfont versions 1.1.0 through 1.4.6.
What type of vulnerability is CVE-2013-6462?
CVE-2013-6462 is a stack-based buffer overflow vulnerability.
Can CVE-2013-6462 be exploited remotely?
Yes, CVE-2013-6462 can be exploited remotely through a crafted BDF font file.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/author
- agent/remedy
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/weakness
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/x
- canonical/red hat libxfont
- version/red hat libxfont/1.1.0
- version/red hat libxfont/1.2.0
- version/red hat libxfont/1.2.1
- version/red hat libxfont/1.2.2
- version/red hat libxfont/1.2.3
- version/red hat libxfont/1.2.4
- version/red hat libxfont/1.2.5
- version/red hat libxfont/1.2.6
- version/red hat libxfont/1.2.7
- version/red hat libxfont/1.2.8
- version/red hat libxfont/1.2.9
- version/red hat libxfont/1.3.0
- version/red hat libxfont/1.3.1
- version/red hat libxfont/1.3.2
- version/red hat libxfont/1.3.3
- version/red hat libxfont/1.3.4
- version/red hat libxfont/1.4.0
- version/red hat libxfont/1.4.1
- version/red hat libxfont/1.4.2
- version/red hat libxfont/1.4.3
- version/red hat libxfont/1.4.4
- version/red hat libxfont/1.4.5
- version/red hat libxfont/1.4.6