Apple iOS prior 4.0 CoreGraphics memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Apple iOS and classified as critical. Affected by this vulnerability is an unknown functionality of the component CoreGraphics. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2011-3439. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS (Smartphone Operating System). It has been classified as very critical. This affects an unknown part of the component CoreGraphics. 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 in CoreGraphics in Apple iOS before 5.0.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font in a document.

The weakness was presented 11/11/2011 as HT5052 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2011-3439. It is possible to initiate the attack remotely. No form of authentication is needed for 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 11/26/2021). 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 74541 (openSUSE Security Update : freetype2 (openSUSE-2011-96)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195210 (Ubuntu Security Notification for Freetype Vulnerabilities (USN-1267-1)).

Upgrading to version 4.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (71270), Tenable (74541), SecurityFocus (BID 50643†) and Vulnerability Center (SBV-33917†). See VDB-4441, VDB-59434 and VDB-59066 for similar entries. 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: 74541
Nessus Name: openSUSE Security Update : freetype2 (openSUSE-2011-96)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70563
OpenVAS Name: Debian Security Advisory DSA 2350-1 (freetype)
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 4.0

Timelineinfo

09/13/2011 🔍
11/11/2011 +59 days 🔍
11/11/2011 +0 days 🔍
11/11/2011 +0 days 🔍
11/27/2011 +16 days 🔍
06/13/2014 +929 days 🔍
03/23/2015 +283 days 🔍
11/26/2021 +2440 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5052
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-3439 (🔍)
GCVE (CVE): GCVE-0-2011-3439
GCVE (VulDB): GCVE-100-59433

OVAL: 🔍

X-Force: 71270
SecurityFocus: 50643
Secunia: 46921
Vulnerability Center: 33917 - Apple iOS before 5.0.1 FreeType CoreGraphics Remote Code Execution via a Crafted Font, Critical

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/26/2021 11:39
Changes: 03/23/2015 16:50 (65), 04/05/2017 14:53 (7), 11/26/2021 11:32 (4), 11/26/2021 11:39 (1)
Complete: 🔍
Cache ID: 216::103

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

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