Apple Safari up to 5.1.7 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Safari up to 5.1.7. It has been rated as critical. Affected by this issue is some unknown functionality of the component WebKit. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2012-3640. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Safari up to 5.1.7 (Web Browser). It has been rated as critical. This issue affects an unknown function 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 Safari before 6.0, 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-2012-07-25-1.

The weakness was released 07/25/2012 by Julien Chaffraix (miaubiz) as HT5400 as confirmed knowledge base article (Apple Security Announce). It is possible to read the advisory at support.apple.com. The public release was coordinated with Apple. The identification of this vulnerability is CVE-2012-3640 since 06/19/2012. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 60127 (Mac OS X : Apple Safari < 6.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120376 (Apple Safari Multiple Vulnerabilities (APPLE-SA-2012-07-25-1)).

Upgrading to version 6 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 Tenable (60127), SecurityFocus (BID 54669†), OSVDB (84174†), Secunia (SA50058†) and SecurityTracker (ID 1027307†). Entries connected to this vulnerability are available at VDB-4654, VDB-4645, VDB-4650 and VDB-5585. 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: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 60127
Nessus Name: Mac OS X : Apple Safari < 6.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802962
OpenVAS Name: Apple iTunes Multiple Vulnerabilities - Sep 12 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Safari 6
Patch: trac.webkit.org

Timelineinfo

06/19/2012 🔍
07/25/2012 +35 days 🔍
07/25/2012 +0 days 🔍
07/25/2012 +0 days 🔍
07/25/2012 +0 days 🔍
07/26/2012 +1 days 🔍
07/26/2012 +0 days 🔍
07/26/2012 +0 days 🔍
07/27/2012 +1 days 🔍
08/03/2012 +7 days 🔍
01/04/2025 +4537 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5400
Researcher: Julien Chaffraix (miaubiz)
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-3640 (🔍)
GCVE (CVE): GCVE-0-2012-3640
GCVE (VulDB): GCVE-100-5831

OVAL: 🔍

SecurityFocus: 54669
Secunia: 50058 - Apple Safari for Mac OS X Multiple Vulnerabilities, Highly Critical
OSVDB: 84174
SecurityTracker: 1027307

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/03/2012 17:37
Updated: 01/04/2025 15:51
Changes: 08/03/2012 17:37 (75), 04/28/2018 23:45 (8), 03/26/2021 17:28 (3), 01/04/2025 15:51 (16)
Complete: 🔍
Cache ID: 216:A1D:103

Be aware that VulDB is the high quality source for vulnerability data.

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