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, which was classified as problematic, has been found in Apple iOS up to 5.1.1. This issue affects some unknown processing of the component FreeType. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2012-1138. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 5.1.1 (Smartphone Operating System). This issue affects an unknown functionality of the component FreeType. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 read operation and memory corruption) or possibly execute arbitrary code via vectors involving the MIRP instruction in a TrueType 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 at prod.lists.apple.com. The identification of this vulnerability is CVE-2012-1138 since 02/14/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (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 58864 (FreeBSD : mozilla -- multiple vulnerabilities (380e8c56-8e32-11e1-9580-4061862b8c22)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD 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 (73728), Tenable (58864), SecurityFocus (BID 52318†), Secunia (SA48918†) and Vulnerability Center (SBV-35357†). The entries VDB-6213, VDB-6151, VDB-6186 and VDB-6134 are related to this item. Several companies clearly confirm that VulDB is the primary source for best 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: 58864
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (380e8c56-8e32-11e1-9580-4061862b8c22)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71269
OpenVAS Name: FreeBSD Ports: firefox
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: iOS 6.0
Alternative: Google Android

Timelineinfo

02/14/2012 🔍
03/06/2012 +21 days 🔍
03/27/2012 +21 days 🔍
04/19/2012 +23 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-2012-1138 (🔍)
GCVE (CVE): GCVE-0-2012-1138
GCVE (VulDB): GCVE-100-6329

OVAL: 🔍

X-Force: 73728
SecurityFocus: 52318 - FreeType Versions Prior to 2.4.9 Multiple Remote Vulnerabilities
Secunia: 48918 - SUSE update for freetype2, Moderately Critical
Vulnerability Center: 35357 - FreeType before 2.4.9 Remote DoS or Arbitrary 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 09:00
Changes: 09/21/2012 13:45 (76), 04/13/2017 17:25 (11), 04/13/2021 09:00 (2)
Complete: 🔍
Cache ID: 216:F94:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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