CVE-2013-6462
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2013-6462
Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/56240
Vendor advisory: secalert@redhat.com — http://lists.x.org/archives/xorg-announce/2014-January/002389.html
Vendor advisory: secalert@redhat.com — http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1:1.4.7-1 |
| debian | bullseye | fixed | 1:1.4.7-1 |
| debian | forky | fixed | 1:1.4.7-1 |
| debian | sid | fixed | 1:1.4.7-1 |
| debian | trixie | fixed | 1:1.4.7-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| x | libxfont | 1.1.0 | |
| x | libxfont | 1.2.0 | |
| x | libxfont | 1.2.1 | |
| x | libxfont | 1.2.2 | |
| x | libxfont | 1.2.3 | |
| x | libxfont | 1.2.4 | |
| x | libxfont | 1.2.5 | |
| x | libxfont | 1.2.6 | |
| x | libxfont | 1.2.7 | |
| x | libxfont | 1.2.8 | |
| x | libxfont | 1.2.9 | |
| x | libxfont | 1.3.0 | |
| x | libxfont | 1.3.1 | |
| x | libxfont | 1.3.2 | |
| x | libxfont | 1.3.3 | |
| x | libxfont | 1.3.4 | |
| x | libxfont | 1.4.0 | |
| x | libxfont | 1.4.1 | |
| x | libxfont | 1.4.2 | |
| x | libxfont | 1.4.3 | |
| x | libxfont | 1.4.4 | |
| x | libxfont | 1.4.5 | |
| x | libxfont | 1.4.6 | |
References
- 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
- https://security-tracker.debian.org/tracker/CVE-2013-6462
CWEs
CWE-119
Verify integrity in audit chain (admin only). AS-IS.