Apple Safari 5.x memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple Safari 5.x and classified as critical. Impacted is an unknown function. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2011-2338. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple Safari 5.x (Web Browser). It has been rated as very critical. This issue affects an unknown part. 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 iTunes before 10.5, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other CVEs listed in APPLE-SA-2011-10-11-1.

The weakness was disclosed 10/13/2011 by Abhishek Arya (SkyLined) with Chromium Development Community as HT5000 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2011-2338 since 06/02/2011. The attack may be initiated remotely. No form of authentication is needed for a successful 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 01/19/2025).

We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 56469 (Apple iTunes < 10.5 Multiple Vulnerabilities (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119637 (Apple iTunes Prior to 10.5 Multiple Vulnerabilities (APPLE-SA-2011-10-11-1)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.apple.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (56469), SecurityFocus (BID 50066†) and Secunia (SA46412†). The entries VDB-59034, VDB-59033, VDB-59032 and VDB-59031 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for 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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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56469
Nessus Name: Apple iTunes < 10.5 Multiple Vulnerabilities (credentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802193
OpenVAS Name: Apple iTunes Multiple Vulnerabilities - Oct 11
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: support.apple.com

Timelineinfo

06/02/2011 🔍
10/11/2011 +131 days 🔍
10/11/2011 +0 days 🔍
10/12/2011 +1 days 🔍
10/12/2011 +0 days 🔍
10/13/2011 +1 days 🔍
10/13/2011 +0 days 🔍
10/19/2011 +6 days 🔍
01/19/2025 +4841 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5000
Researcher: Abhishek Arya (SkyLined)
Organization: Chromium Development Community
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-2338 (🔍)
GCVE (CVE): GCVE-0-2011-2338
GCVE (VulDB): GCVE-100-4427

OVAL: 🔍

SecurityFocus: 50066 - WebKit Multiple Unspecifeid Remote Code Execution Vulnerabilities
Secunia: 46412 - Apple Safari Multiple Vulnerabilities, Highly Critical

See also: 🔍

Entryinfo

Created: 10/19/2011 02:00
Updated: 01/19/2025 14:35
Changes: 10/19/2011 02:00 (75), 04/24/2018 08:54 (8), 01/19/2025 14:35 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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