WebKitGTK+ race condition

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CTI Interest Score
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A vulnerability was found in WebKitGTK+ (Web Browser). It has been declared as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Race condition in WebKit in Apple iOS before 6.0.1 and Safari before 6.0.2 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving JavaScript arrays.

The weakness was presented 05/16/2013 by Joost Pol and Daan Keuper (TippingPoint) with Certified Secure working as HT5766 as confirmed advisory (Website) via ZDI (Zero Day Initiative). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2012-3748 since 06/19/2012. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Vitaliy Toropov and been published 4 months after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 69879 (Mac OS X : Apple Safari < 5.1.10 Memory Corruptions), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121455 (Apple Safari 5.1.10 Not Installed (APPLE-SA-2013-06-04-2)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12482.

The vulnerability is also documented in the databases at X-Force (79745), Tenable (69879) and Exploit-DB (28081).


  • Apple iTunes 11.0.2
  • WebKitGTK+





CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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Class: Race condition
CWE: CWE-362

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Vitaliy Toropov
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Nessus ID: 69879
Nessus Name: Mac OS X : Apple Safari < 5.1.10 Memory Corruptions
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OpenVAS ID: 802484
OpenVAS Name: Apple Safari Multiple Vulnerabilities (APPLE-SA-2012-09-19-3)
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Threat Intelligenceinfo

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Recommended: Upgrade
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06/19/2012 🔍
11/01/2012 +135 days 🔍
11/01/2012 +0 days 🔍
11/03/2012 +2 days 🔍
11/18/2012 +15 days 🔍
05/16/2013 +179 days 🔍
05/16/2013 +0 days 🔍
05/21/2013 +5 days 🔍
09/04/2013 +106 days 🔍
09/04/2013 +0 days 🔍
09/13/2013 +9 days 🔍
05/11/2021 +2797 days 🔍


Advisory: HT5766
Researcher: Joost Pol, Daan Keuper (TippingPoint)
Organization: Certified Secure working
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3748 (🔍)

X-Force: 79745
Vulnerability Center: 37304 - WebKit in Apple iOS <6.0.1 and Safari <6.0.2 and iTunes <11.0.3 Remote Arbitrary Code Execution Vulnerability, High
SecurityFocus: 56362 - WebKit CVE-2012-3748 Remote Code Execution Vulnerability
Secunia: 51445 - Apple TV Two Vulnerabilities, Moderately Critical

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


Created: 05/21/2013 12:47 PM
Updated: 05/11/2021 04:46 PM
Changes: 05/21/2013 12:47 PM (81), 04/21/2017 01:19 PM (11), 05/11/2021 04:46 PM (3)
Complete: 🔍
Cache ID: 44:A5A:40


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