Apple iOS up to 5.1.1 FreeType memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$5k-$25k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apple iOS up to 5.1.1. Affected is an unknown function of the component FreeType. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2012-1133. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS up to 5.1.1 (Smartphone Operating System). It has been classified as critical. Affected is an unknown part of the component FreeType. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to cause a denial of service (invalid heap write operation and memory corruption) or possibly execute arbitrary code via crafted glyph or bitmap data in a BDF font.

The weakness was shared 09/19/2012 by Mateusz Jurczyk with Google Security Team as APPLE-SA-2012-09-19-1 as not defined posting (Website). The advisory is shared for download at prod.lists.apple.com. This vulnerability is traded as CVE-2012-1133 since 02/14/2012. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 04/13/2021). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 58295 (Debian DSA-2428-1 : freetype - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165463 (SUSE Enterprise Linux Security Update for freetype2 (SUSE-SU-2012:0483-2)).

Upgrading to version 6.0 eliminates this vulnerability. The problem might be mitigated by replacing the product with Google Android as an alternative. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (73723), Tenable (58295), SecurityFocus (BID 52318†), Secunia (SA48918†) and Vulnerability Center (SBV-35359†). The entries VDB-6213, VDB-6151, VDB-6186 and VDB-6134 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58295
Nessus Name: Debian DSA-2428-1 : freetype - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892428
OpenVAS Name: Debian Security Advisory DSA 2428-1 (freetype - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 6.0
Alternative: Google Android

Timelineinfo

02/14/2012 🔍
03/06/2012 +21 days 🔍
03/06/2012 +0 days 🔍
03/09/2012 +3 days 🔍
04/19/2012 +41 days 🔍
04/25/2012 +6 days 🔍
06/19/2012 +55 days 🔍
09/19/2012 +92 days 🔍
09/19/2012 +0 days 🔍
09/21/2012 +1 days 🔍
04/13/2021 +3126 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2012-09-19-1
Researcher: Mateusz Jurczyk
Organization: Google Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-1133 (🔍)
GCVE (CVE): GCVE-0-2012-1133
GCVE (VulDB): GCVE-100-6324

OVAL: 🔍

X-Force: 73723
SecurityFocus: 52318 - FreeType Versions Prior to 2.4.9 Multiple Remote Vulnerabilities
Secunia: 48918 - SUSE update for freetype2, Moderately Critical
Vulnerability Center: 35359 - FreeType <2.4.9 as used in Mozilla Firefox <10.0.4 Remote DoS or Code Execution Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 09/21/2012 13:45
Updated: 04/13/2021 08:40
Changes: 09/21/2012 13:45 (78), 04/13/2017 17:26 (11), 04/13/2021 08:40 (2)
Complete: 🔍
Cache ID: 216::103

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