CVE-2013-6462

Public Exploit

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 9.41% Top 10%
Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory x.org Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html vendor advisory
http://lists.x.org/archives/xorg-announce/2014-January/002389.html mailing list vendor advisory
http://www.debian.org/security/2014/dsa-2838 vendor advisory
http://secunia.com/advisories/56357 third party advisory
http://seclists.org/oss-sec/2014/q1/33 mailing list
http://rhn.redhat.com/errata/RHSA-2014-0018.html vendor advisory
http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html
http://secunia.com/advisories/56240 third party advisory vendor advisory
http://secunia.com/advisories/56336 third party advisory
http://www.ubuntu.com/usn/USN-2078-1 vendor advisory
http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html vendor advisory
http://secunia.com/advisories/56371 third party advisory
http://osvdb.org/101842 vdb entry
http://www.securityfocus.com/bid/64694 vdb entry
http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63 patch exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/90123 vdb entry

Frequently Asked Questions

What is the severity of CVE-2013-6462?
CVE-2013-6462 has been scored as a critical severity vulnerability.
How to fix CVE-2013-6462?
To fix CVE-2013-6462, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-6462 being actively exploited in the wild?
It is possible that CVE-2013-6462 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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