9.3
CRITICAL
CVE-2011-0226
FreeType Type 1 Font Integer signedness Remote Code Execution Vulnerability
Description

Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted Type 1 font in a PDF document, as exploited in the wild in July 2011.

INFO

Published Date :

July 19, 2011, 10:55 p.m.

Last Modified :

Oct. 26, 2011, 2:56 a.m.

Remotely Exploitable :

Yes !

Impact Score :

10.0

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2011-0226 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple iphone_os
1 Freetype freetype
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2011-0226.

URL Resource
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://lists.apple.com/archives/security-announce/2011//Jul/msg00000.html Vendor Advisory
http://lists.apple.com/archives/security-announce/2011//Jul/msg00001.html Vendor Advisory
http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html
http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html
http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html
http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html
http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html
http://secunia.com/advisories/45167 Vendor Advisory
http://secunia.com/advisories/45224 Vendor Advisory
http://support.apple.com/kb/HT4802 Vendor Advisory
http://support.apple.com/kb/HT4803 Vendor Advisory
http://support.apple.com/kb/HT5002
http://www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.html
http://www.debian.org/security/2011/dsa-2294
http://www.mandriva.com/security/advisories?name=MDVSA-2011:120
http://www.redhat.com/support/errata/RHSA-2011-1085.html
http://www.securityfocus.com/bid/48619

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2011-0226 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2011-0226 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2011-0226 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2011-0226 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

5.83 }} 0.80%

score

0.92647

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability