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$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple iOS up to 5.01. This affects an unknown part of the component WebKit. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2011-2872. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple iOS up to 5.01 (Smartphone Operating System). It has been declared as critical. This vulnerability affects an unknown function of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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 Abhishek Arya (Inferno) with Google Chrome Security Team as HT5190 as confirmed knowledge base article (Website). The advisory is shared for download at support.apple.com. The public release has been coordinated in cooperation with the vendor. This vulnerability was named CVE-2011-2872 since 07/20/2011. The attack can be initiated remotely. The successful exploitation requires a single authentication. Technical details are unknown but a private exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 03/21/2021). It is expected to see the exploit prices for this product increasing in the near future.

A private exploit has been developed by Abhishek Arya (Inferno). It is declared as proof-of-concept. 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 (73801), Tenable (58319), SecurityFocus (BID 52365†), OSVDB (79911†) and Secunia (SA48274†). The entries VDB-4460, VDB-4459, VDB-4574 and VDB-4726 are pretty similar. 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: 9.9
VulDB Meta Temp Score: 8.9

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

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
Author: Abhishek Arya (Inferno)

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 🔍
03/08/2012 +1 days 🔍
03/08/2012 +0 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 🔍
06/07/2012 +89 days 🔍
03/21/2021 +3209 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5190
Researcher: Abhishek Arya (Inferno)
Organization: Google Chrome Security Team
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2011-2872 (🔍)
GCVE (CVE): GCVE-0-2011-2872
GCVE (VulDB): GCVE-100-4732

OVAL: 🔍

X-Force: 73801
SecurityFocus: 52365 - WebKit Multiple Unspecified Memory Corruption Vulnerabilities
Secunia: 48274 - Apple iTunes Multiple WebKit Vulnerabilities, Less Critical
OSVDB: 79911
SecurityTracker: 1026774 - Apple iOS Bugs Let Remote Users Execute Arbitrary Code, Conduct Cross-Site Scripting Attacks, and Obtain Potentially Sensitive Information
Vulnerability Center: 35277 - WebKit Used in Apple iOS < 5.1 and iTunes <10.6 Remote Code Execution\\DoS (CVE-2011-2872), Medium

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

Entryinfo

Created: 03/10/2012 09:26
Updated: 03/21/2021 10:27
Changes: 03/10/2012 09:26 (85), 04/13/2017 13:17 (11), 03/21/2021 10:27 (3)
Complete: 🔍
Cache ID: 216:D3B:103

Once again VulDB remains the best source for vulnerability data.

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