VDB-6327 · CVE-2012-1136 · BID 52318

Apple iOS up to 5.1.1 FreeType memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

A vulnerability classified as critical has been found in Apple iOS up to 5.1.1 (Smartphone Operating System). This affects some unknown processing 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. 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 write operation and memory corruption) or possibly execute arbitrary code via crafted glyph or bitmap data in a BDF font that lacks an ENCODING field.

The weakness was disclosed 09/19/2012 as APPLE-SA-2012-09-19-1 as not defined posting (Website). It is possible to read the advisory at prod.lists.apple.com. This vulnerability is uniquely identified as CVE-2012-1136 since 02/14/2012. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k 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 892428 , which helps to determine the existence of the flaw in a target environment. 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 vulnerability database at Tenable (892428).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.2

VulDB Base Score: 8.6
VulDB Temp Score: 8.2
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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 892428
Nessus File: 🔍

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: 🔍
Upgrade: iOS 6.0
Alternative: Google Android

Timelineinfo

02/14/2012 🔍
03/06/2012 +20 days 🔍
04/19/2012 +44 days 🔍
04/25/2012 +6 days 🔍
09/19/2012 +147 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
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-1136 (🔍)
OVAL: 🔍

SecurityTracker: 1026765
SecurityFocus: 52318
Secunia: 48918 - SUSE update for freetype2, Moderately Critical

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

Entryinfo

Created: 09/21/2012 13:45
Updated: 04/13/2021 08:54
Changes: 09/21/2012 13:45 (65), 05/01/2018 11:19 (9), 04/13/2021 08:54 (4)
Complete: 🔍
Cache ID: 3:529:103

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