CVE-2011-3256

freetype: FT_Bitmap_New integer overflow, FreeType TT_Vary_Get_Glyph_Deltas improper input validation

Severity Score

7.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

FreeType 2 before 2.4.7, as used in CoreGraphics in Apple iOS before 5, Mandriva Enterprise Server 5, and possibly other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font, a different vulnerability than CVE-2011-0226.

FreeType versión 2 anterior a 2.4.7, como es usado en CoreGraphics en iOS de Apple anterior a versión 5, Mandriva Enterprise Server versión 5, y posiblemente otros productos, permite a los atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (corrupción de memoria) por medio de una fuente diseñada, una vulnerabilidad diferente de CVE-2011-0226.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-08-19 CVE Reserved
2011-10-14 CVE Published
2024-08-06 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE-190: Integer Overflow or Wraparound

CAPEC

References (16)

URL	Tag	Source
http://secunia.com/advisories/48951	Third Party Advisory
http://support.apple.com/kb/HT5130	X_refsource_confirm
http://www.securityfocus.com/bid/50155	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/70552	Vdb Entry
https://sourceforge.net/projects/freetype/files/freetype2/2.4.7/README/view	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html	2017-08-29
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html	2017-08-29
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069100.html	2017-08-29
http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00008.html	2017-08-29
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00003.html	2017-08-29
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00012.html	2017-08-29
http://support.apple.com/kb/HT4999	2017-08-29
http://www.debian.org/security/2011/dsa-2328	2017-08-29
http://www.mandriva.com/security/advisories?name=MDVSA-2011:157	2017-08-29
https://access.redhat.com/security/cve/CVE-2011-3256	2012-02-02
https://bugzilla.redhat.com/show_bug.cgi?id=746226	2012-02-02

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.0 Search vendor "Apple" for product "Iphone Os" and version "3.0"		iphone		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.1 Search vendor "Apple" for product "Iphone Os" and version "3.1"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.1 Search vendor "Apple" for product "Iphone Os" and version "3.1"		iphone		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.1 Search vendor "Apple" for product "Iphone Os" and version "3.1"		ipodtouch		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.1.2 Search vendor "Apple" for product "Iphone Os" and version "3.1.2"		iphone		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.1.3 Search vendor "Apple" for product "Iphone Os" and version "3.1.3"		iphone		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.2 Search vendor "Apple" for product "Iphone Os" and version "3.2"		iphone		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.2 Search vendor "Apple" for product "Iphone Os" and version "3.2"		ipodtouch		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.2.1 Search vendor "Apple" for product "Iphone Os" and version "3.2.1"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.2.1 Search vendor "Apple" for product "Iphone Os" and version "3.2.1"		ipad		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				3.2.2 Search vendor "Apple" for product "Iphone Os" and version "3.2.2"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.0 Search vendor "Apple" for product "Iphone Os" and version "4.0"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.0 Search vendor "Apple" for product "Iphone Os" and version "4.0"		iphone		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.0 Search vendor "Apple" for product "Iphone Os" and version "4.0"		ipodtouch		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.0.1 Search vendor "Apple" for product "Iphone Os" and version "4.0.1"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.0.1 Search vendor "Apple" for product "Iphone Os" and version "4.0.1"		iphone		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.0.1 Search vendor "Apple" for product "Iphone Os" and version "4.0.1"		ipodtouch		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.0.2 Search vendor "Apple" for product "Iphone Os" and version "4.0.2"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.1 Search vendor "Apple" for product "Iphone Os" and version "4.1"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.2.1 Search vendor "Apple" for product "Iphone Os" and version "4.2.1"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.2.5 Search vendor "Apple" for product "Iphone Os" and version "4.2.5"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.2.8 Search vendor "Apple" for product "Iphone Os" and version "4.2.8"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.3.0 Search vendor "Apple" for product "Iphone Os" and version "4.3.0"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.3.1 Search vendor "Apple" for product "Iphone Os" and version "4.3.1"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.3.2 Search vendor "Apple" for product "Iphone Os" and version "4.3.2"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.3.3 Search vendor "Apple" for product "Iphone Os" and version "4.3.3"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.3.5 Search vendor "Apple" for product "Iphone Os" and version "4.3.5"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.3.5 Search vendor "Apple" for product "Iphone Os" and version "4.3.5"		ipad		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				4.3.5 Search vendor "Apple" for product "Iphone Os" and version "4.3.5"		ipodtouch		Affected