CVE-2013-6462

libXfont: stack-based buffer overflow flaw when parsing Glyph Bitmap Distribution Format (BDF) fonts

Severity Score

9.3

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Desbordamiento de pila en la función bdfReadCharacters de bitmap/bdfread.c en X.Org libXfont 1.1 hasta 1.4.6 permite a atacantes remotos causar una denegación de servicio (crash) o probablemente ejecutar código de forma arbitraria a través de una cadena larga en el nombre de un caracter de un archivo de fuentes BDF.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2013-11-04 CVE Reserved
2014-01-08 CVE Published
2024-02-26 EPSS Updated
2024-08-06 CVE Updated
2024-08-06 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121: Stack-based Buffer Overflow

CAPEC

References (18)

URL	Tag	Source
http://osvdb.org/101842	Vdb Entry
http://seclists.org/oss-sec/2014/q1/33	Mailing List
http://secunia.com/advisories/56336	Third Party Advisory
http://secunia.com/advisories/56357	Third Party Advisory
http://secunia.com/advisories/56371	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html	X_refsource_confirm
http://www.securityfocus.com/bid/64694	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/90123	Vdb Entry

URL	Date	SRC
http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html	2017-08-29
http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html	2017-08-29
http://lists.x.org/archives/xorg-announce/2014-January/002389.html	2017-08-29
http://rhn.redhat.com/errata/RHSA-2014-0018.html	2017-08-29
http://secunia.com/advisories/56240	2017-08-29
http://www.debian.org/security/2014/dsa-2838	2017-08-29
http://www.ubuntu.com/usn/USN-2078-1	2017-08-29
https://access.redhat.com/security/cve/CVE-2013-6462	2014-01-10
https://bugzilla.redhat.com/show_bug.cgi?id=1048044	2014-01-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.1.0 Search vendor "X" for product "Libxfont" and version "1.1.0"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.0 Search vendor "X" for product "Libxfont" and version "1.2.0"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.1 Search vendor "X" for product "Libxfont" and version "1.2.1"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.2 Search vendor "X" for product "Libxfont" and version "1.2.2"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.3 Search vendor "X" for product "Libxfont" and version "1.2.3"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.4 Search vendor "X" for product "Libxfont" and version "1.2.4"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.5 Search vendor "X" for product "Libxfont" and version "1.2.5"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.6 Search vendor "X" for product "Libxfont" and version "1.2.6"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.7 Search vendor "X" for product "Libxfont" and version "1.2.7"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.8 Search vendor "X" for product "Libxfont" and version "1.2.8"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.2.9 Search vendor "X" for product "Libxfont" and version "1.2.9"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.3.0 Search vendor "X" for product "Libxfont" and version "1.3.0"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.3.1 Search vendor "X" for product "Libxfont" and version "1.3.1"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.3.2 Search vendor "X" for product "Libxfont" and version "1.3.2"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.3.3 Search vendor "X" for product "Libxfont" and version "1.3.3"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.3.4 Search vendor "X" for product "Libxfont" and version "1.3.4"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.4.0 Search vendor "X" for product "Libxfont" and version "1.4.0"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.4.1 Search vendor "X" for product "Libxfont" and version "1.4.1"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.4.2 Search vendor "X" for product "Libxfont" and version "1.4.2"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.4.3 Search vendor "X" for product "Libxfont" and version "1.4.3"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.4.4 Search vendor "X" for product "Libxfont" and version "1.4.4"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.4.5 Search vendor "X" for product "Libxfont" and version "1.4.5"		-		Affected
X Search vendor "X"		Libxfont Search vendor "X" for product "Libxfont"				1.4.6 Search vendor "X" for product "Libxfont" and version "1.4.6"		-		Affected