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Vulnerability Note VU#566132

Apple Mac OS X WebKit may allow code execution when visiting a malicious website

Overview

A vulnerability in Apple Mac OS X WebKit may allow an attacker to execute arbitrary code on an affected system.

I. Description

WebKit

From the OpenDarwin WebKit project description,

    WebKit is an open source web browser engine. WebKit is also the name of the Mac OS X system framework version of the engine that's used by Safari, Dashboard, Mail, and many other OS X applications.

The Problem
Per Apple, an attacker may be able to create a specially crafted HTML document that could cause a previously deallocated object to be accessed.

II. Impact

By convincing a user to view a specially crafted web page or HTML file, a remote, unauthenticated attacker may be able to execute arbitrary code with the privileges of the user or crash the program that opened the malicious document.

III. Solution

Upgrade

Apple has addressed this issue in Security Update 2006-004. Refer to Apple's Security Update site for more information.

Do not Open Untrusted Links

Do not open or follow untrusted hyperlinks. Refer to the National Cyber Security Alliance's document "Stay Safe Online" for more information on opening unknown hyperlinks.

Systems Affected

VendorStatusDate NotifiedDate Updated
Apple Computer, Inc.Vulnerable2-Aug-2006

References


http://secunia.com/advisories/21253/
http://docs.info.apple.com/article.html?artnum=304063

Credit

Thanks to Apple Product Security for reporting this vulnerability. Apple in turn thanks Jesse Ruderman of the Mozilla Corporation.

This document was written by Ryan Giobbi.

Other Information

Date Public:2006-08-01
Date First Published:2006-08-02
Date Last Updated:2006-08-02
CERT Advisory: 
CVE-ID(s):CVE-2006-3505
NVD-ID(s):CVE-2006-3505
US-CERT Technical Alerts: 
Metric:1.64
Document Revision:29

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