Apple Safari up to 5.1.7 WebKit memory corruption ⚔ [Disputed]

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 and classified as critical. This impacts an unknown function of the component WebKit. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2012-3636. In addition, an exploit is available. There are still doubts about whether this vulnerability truly exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari up to 5.1.7 (Web Browser) and classified as critical. Affected by this issue is an unknown code 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. CVE summarizes:

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 presented 07/25/2012 by Martin Barbella (Slawomir Blazek) with Google Chrome Security Team as HT5400 as confirmed knowledge base article (Apple Security Announce). The advisory is shared for download at support.apple.com. The public release was coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2012-3636 since 06/19/2012. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a private exploit is available.

It is declared as proof-of-concept. The real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 62077 (Apple iTunes < 10.7 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 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 (62077), SecurityFocus (BID 51041†), OSVDB (84171†), Secunia (SA50058†) and SecurityTracker (ID 1027307†). See VDB-4460, VDB-4459, VDB-4461 and VDB-4464 for similar entries. 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: 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: 62077
Nessus Name: Apple iTunes < 10.7 Multiple Vulnerabilities (credentialed check)
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: 🔍
Active Actors: 🔍
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 +36 days 🔍
07/25/2012 +0 days 🔍
07/25/2012 +0 days 🔍
07/26/2012 +1 days 🔍
07/26/2012 +0 days 🔍
07/27/2012 +1 days 🔍
08/03/2012 +7 days 🔍
09/13/2012 +41 days 🔍
01/04/2025 +4496 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT5400
Researcher: Martin Barbella (Slawomir Blazek)
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
Disputed: 🔍

CVE: CVE-2012-3636 (🔍)
GCVE (CVE): GCVE-0-2012-3636
GCVE (VulDB): GCVE-100-5828

OVAL: 🔍

SecurityFocus: 51041
Secunia: 50058 - Apple Safari for Mac OS X Multiple Vulnerabilities, Highly Critical
OSVDB: 84171
SecurityTracker: 1027307

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

Entryinfo

Created: 08/03/2012 17:33
Updated: 01/04/2025 13:29
Changes: 08/03/2012 17:33 (77), 04/28/2018 23:44 (8), 01/04/2025 13:29 (17)
Complete: 🔍
Cache ID: 216:1FC:103

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