CVE-2011-0226
First published: Tue Jul 19 2011(Updated: )
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.
Credit: product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeType | <=2.4.5 | |
| FreeType | =2.2.1 | |
| FreeType | =2.2.10 | |
| FreeType | =2.3.0 | |
| FreeType | =2.3.1 | |
| FreeType | =2.3.2 | |
| FreeType | =2.3.3 | |
| FreeType | =2.3.4 | |
| FreeType | =2.3.5 | |
| FreeType | =2.3.6 | |
| FreeType | =2.3.7 | |
| FreeType | =2.3.8 | |
| FreeType | =2.3.9 | |
| FreeType | =2.3.10 | |
| FreeType | =2.3.11 | |
| FreeType | =2.3.12 | |
| FreeType | =2.4.0 | |
| FreeType | =2.4.1 | |
| FreeType | =2.4.2 | |
| FreeType | =2.4.3 | |
| FreeType | =2.4.4 | |
| iStyle @cosme iPhone OS | <=4.2.8 | |
| iStyle @cosme iPhone OS | =1.0.0 | |
| iStyle @cosme iPhone OS | =1.0.1 | |
| iStyle @cosme iPhone OS | =1.0.2 | |
| iStyle @cosme iPhone OS | =1.1.0 | |
| iStyle @cosme iPhone OS | =1.1.1 | |
| iStyle @cosme iPhone OS | =1.1.2 | |
| iStyle @cosme iPhone OS | =1.1.3 | |
| iStyle @cosme iPhone OS | =1.1.4 | |
| iStyle @cosme iPhone OS | =1.1.5 | |
| iStyle @cosme iPhone OS | =2.0 | |
| iStyle @cosme iPhone OS | =2.0.0 | |
| iStyle @cosme iPhone OS | =2.0.1 | |
| iStyle @cosme iPhone OS | =2.0.2 | |
| iStyle @cosme iPhone OS | =2.1 | |
| iStyle @cosme iPhone OS | =2.1.1 | |
| iStyle @cosme iPhone OS | =2.2 | |
| iStyle @cosme iPhone OS | =2.2.1 | |
| iStyle @cosme iPhone OS | =3.0 | |
| iStyle @cosme iPhone OS | =3.0.1 | |
| iStyle @cosme iPhone OS | =3.1 | |
| iStyle @cosme iPhone OS | =3.1.2 | |
| iStyle @cosme iPhone OS | =3.1.3 | |
| iStyle @cosme iPhone OS | =3.2 | |
| iStyle @cosme iPhone OS | =3.2.1 | |
| iStyle @cosme iPhone OS | =3.2.2 | |
| iStyle @cosme iPhone OS | =4.0 | |
| iStyle @cosme iPhone OS | =4.0.1 | |
| iStyle @cosme iPhone OS | =4.0.2 | |
| iStyle @cosme iPhone OS | =4.1 | |
| iStyle @cosme iPhone OS | =4.2 | |
| iStyle @cosme iPhone OS | =4.2.1 | |
| iStyle @cosme iPhone OS | =4.2.5 | |
| iStyle @cosme iPhone OS | =4.3.0 | |
| iStyle @cosme iPhone OS | =4.3.1 | |
| iStyle @cosme iPhone OS | =4.3.2 | |
| iStyle @cosme iPhone OS | =4.3.3 |
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Reference Links
- http://support.apple.com/kb/HT4802
- http://support.apple.com/kb/HT4803
- http://lists.apple.com/archives/security-announce/2011//Jul/msg00001.html
- http://www.securityfocus.com/bid/48619
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020.html
- http://www.appleinsider.com/articles/11/07/06/hackers_release_new_browser_based_ios_jailbreak_based_on_pdf_exploit.html
- http://secunia.com/advisories/45167
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028.html
- http://secunia.com/advisories/45224
- http://lists.apple.com/archives/security-announce/2011//Jul/msg00000.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015.html
- http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014.html
- http://www.redhat.com/support/errata/RHSA-2011-1085.html
- http://www.debian.org/security/2011/dsa-2294
- http://support.apple.com/kb/HT5002
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:120
Frequently Asked Questions
What is the severity of CVE-2011-0226?
CVE-2011-0226 has a critical severity level, allowing remote code execution and potential denial of service.
How do I fix CVE-2011-0226?
To fix CVE-2011-0226, upgrade to FreeType version 2.4.6 or later, or apply relevant patches provided by your vendor.
What products are affected by CVE-2011-0226?
CVE-2011-0226 affects FreeType versions prior to 2.4.6 and Apple iOS versions before 4.2.9 and 4.3.x before 4.3.4.
What type of attack does CVE-2011-0226 facilitate?
CVE-2011-0226 facilitates remote code execution attacks, which can lead to memory corruption and application crashes.
Who discovered CVE-2011-0226?
CVE-2011-0226 was discovered by security researchers recognizing a signedness error in the FreeType library.
- collector/nvd-historical
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/severity
- agent/author
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/freetype
- canonical/freetype
- version/freetype/2.4.5
- version/freetype/2.2.1
- version/freetype/2.2.10
- version/freetype/2.3.0
- version/freetype/2.3.1
- version/freetype/2.3.2
- version/freetype/2.3.3
- version/freetype/2.3.4
- version/freetype/2.3.5
- version/freetype/2.3.6
- version/freetype/2.3.7
- version/freetype/2.3.8
- version/freetype/2.3.9
- version/freetype/2.3.10
- version/freetype/2.3.11
- version/freetype/2.3.12
- version/freetype/2.4.0
- version/freetype/2.4.1
- version/freetype/2.4.2
- version/freetype/2.4.3
- version/freetype/2.4.4
- vendor/apple
- canonical/istyle @cosme iphone os
- version/istyle @cosme iphone os/4.2.8
- version/istyle @cosme iphone os/1.0.0
- version/istyle @cosme iphone os/1.0.1
- version/istyle @cosme iphone os/1.0.2
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- version/istyle @cosme iphone os/1.1.2
- version/istyle @cosme iphone os/1.1.3
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- version/istyle @cosme iphone os/2.0.0
- version/istyle @cosme iphone os/2.0.1
- version/istyle @cosme iphone os/2.0.2
- version/istyle @cosme iphone os/2.1
- version/istyle @cosme iphone os/2.1.1
- version/istyle @cosme iphone os/2.2
- version/istyle @cosme iphone os/2.2.1
- version/istyle @cosme iphone os/3.0
- version/istyle @cosme iphone os/3.0.1
- version/istyle @cosme iphone os/3.1
- version/istyle @cosme iphone os/3.1.2
- version/istyle @cosme iphone os/3.1.3
- version/istyle @cosme iphone os/3.2
- version/istyle @cosme iphone os/3.2.1
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- version/istyle @cosme iphone os/4.0
- version/istyle @cosme iphone os/4.0.1
- version/istyle @cosme iphone os/4.0.2
- version/istyle @cosme iphone os/4.1
- version/istyle @cosme iphone os/4.2
- version/istyle @cosme iphone os/4.2.1
- version/istyle @cosme iphone os/4.2.5
- version/istyle @cosme iphone os/4.3.0
- version/istyle @cosme iphone os/4.3.1
- version/istyle @cosme iphone os/4.3.2
- version/istyle @cosme iphone os/4.3.3