Apple iOS up to 5.01 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple iOS up to 5.01. This affects an unknown function of the component WebKit. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2011-2867. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 5.01 (Smartphone Operating System). This issue affects some unknown functionality of the component WebKit. 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:

WebKit, as used in Apple iOS before 5.1 and iTunes before 10.6, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2012-03-07-1 and APPLE-SA-2012-03-07-2.

The weakness was disclosed 03/07/2012 by Dirk Schulze (Slawomir Blazek) with Google Chrome Security Team as HT5191 as confirmed knowledge base article (Website). It is possible to read the advisory at support.apple.com. The public release has been coordinated in cooperation with Apple. The identification of this vulnerability is CVE-2011-2867 since 07/20/2011. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details are unknown but a public exploit is available.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 58319 (Apple iTunes < 10.6 Multiple Vulnerabilities (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119974 (Apple iTunes Prior to 10.6 Multiple Vulnerabilities (APPLE-SA-2012-03-07-1)).

Upgrading to version 5.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at trac.webkit.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (73796), Tenable (58319), SecurityFocus (BID 52365†), OSVDB (79906†) and Secunia (SA48274†). The entries VDB-4460, VDB-4459, VDB-4726 and VDB-4728 are pretty similar. Be aware that VulDB is the high quality 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: 9.9
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.9
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58319
Nessus Name: Apple iTunes < 10.6 Multiple Vulnerabilities (credentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802824
OpenVAS Name: Apple iTunes Multiple Vulnerabilities - Mar12 (Win)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 5.1
Patch: trac.webkit.org

Timelineinfo

07/20/2011 🔍
03/07/2012 +231 days 🔍
03/07/2012 +0 days 🔍
03/07/2012 +0 days 🔍
03/08/2012 +1 days 🔍
03/08/2012 +0 days 🔍
03/08/2012 +0 days 🔍
03/09/2012 +1 days 🔍
03/09/2012 +0 days 🔍
03/10/2012 +1 days 🔍
12/25/2012 +290 days 🔍
03/21/2021 +3008 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5191
Researcher: Dirk Schulze (Slawomir Blazek)
Organization: Google Chrome Security Team
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2011-2867 (🔍)
GCVE (CVE): GCVE-0-2011-2867
GCVE (VulDB): GCVE-100-4727

OVAL: 🔍

X-Force: 73796
SecurityFocus: 52365 - WebKit Multiple Unspecified Memory Corruption Vulnerabilities
Secunia: 48274 - Apple iTunes Multiple WebKit Vulnerabilities, Less Critical
OSVDB: 79906
SecurityTracker: 1026774 - Apple iOS Bugs Let Remote Users Execute Arbitrary Code, Conduct Cross-Site Scripting Attacks, and Obtain Potentially Sensitive Information
Vulnerability Center: 37797 - Apple iTunes <10.6 and iOS <5.1 Remote Code Execution \\ DoS via a Crafted Web Site - CVE-2011-2867, Medium

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

Entryinfo

Created: 03/10/2012 09:26
Updated: 03/21/2021 10:06
Changes: 03/10/2012 09:26 (87), 04/23/2017 13:38 (6), 03/21/2021 10:06 (3)
Complete: 🔍
Cache ID: 216::103

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