WebKit Element Scrollbars Use-After-Free Remote Code Execution Vulnerability

BID:44964

Info

WebKit Element Scrollbars Use-After-Free Remote Code Execution Vulnerability

Bugtraq ID: 44964
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2010-3816
Remote: Yes
Local: No
Published: Nov 18 2010 12:00AM
Updated: Nov 22 2010 05:56PM
Credit: Rohit Makasana of Google Inc
Vulnerable: WebKit Open Source Project WebKit 0
Apple Safari 4.1.2 for Windows
Apple Safari 4.0.5 for Windows
Apple Safari 4.0.5
Apple Safari 4.0.4 for Windows
Apple Safari 4.0.4
Apple Safari 4.0.3 for Windows
Apple Safari 4.0.3
Apple Safari 4.0.2 for Windows
Apple Safari 4.0.2
Apple Safari 4.0.1
Apple Safari 5.0.2 for Windows
Apple Safari 5.0.2
Apple Safari 5.0.1 for Windows
Apple Safari 5.0.1
Apple Safari 5.0 for Windows
Apple Safari 5.0
Apple Safari 4.1.2
Apple Safari 4.1.1
Apple Safari 4.1
Apple Safari 4 for Windows
Apple Safari 4 Beta
Apple Safari 4
Apple iPod Touch 3.1.3
Apple iPod Touch 3.1.2
Apple iPod Touch 3.1.1
Apple iPod Touch 2.2.1
Apple iPod Touch 3.0
Apple iPod Touch 2.2
Apple iPod Touch 2.1
Apple iPhone 4.0.1
Apple iPhone 3.2.1
Apple iPhone 3.1.3
Apple iPhone 3.1.2
Apple iPhone 3.0.1
Apple iPhone 2.2.1
Apple iPhone 2.0.2
Apple iPhone 2.0.1
Apple iPhone 4.1
Apple iPhone 4.0
Apple iPhone 3.2
Apple iPhone 3.1
Apple iPhone 3.0
Apple iPhone 2.2
Apple iPhone 2.1
Apple iPhone 2.0
Apple iPad 3.2.1
Apple iPad 3.2.2
Apple iPad 3.2
Apple iPad 0
Apple iOS 4.0.2
Apple iOS 4.0.1
Apple iOS 3.2.2
Apple iOS 3.2.1
Apple iOS 4.2 beta
Apple iOS 4.1
Apple iOS 4
Apple iOS 3.2
Not Vulnerable: Apple Safari 5.0.3 for Windows
Apple Safari 5.0.3
Apple Safari 4.1.3 for Windows
Apple Safari 4.1.3
Apple iOS 4.2

Discussion

WebKit Element Scrollbars Use-After-Free Remote Code Execution Vulnerability

WebKit is prone to a remote code-execution vulnerability.

Attackers can exploit this issue by enticing an unsuspecting user into visiting a malicious webpage.

Successful attacks will allow attackers to execute arbitrary code within the context of the application. Failed exploit attempts will result in a denial-of-service condition.

NOTE: This issue was previously covered in BID 44938 (Apple Safari Prior to 5.0.3 and 4.1.3 Multiple Security Vulnerabilities) but has been given its own record to better document it.

Exploit / POC

WebKit Element Scrollbars Use-After-Free Remote Code Execution Vulnerability

A working commercial exploit is available through VUPEN Security - Exploit and PoCs Service. This exploit is not otherwise publicly available or known to be circulating in the wild.

Solution / Fix

WebKit Element Scrollbars Use-After-Free Remote Code Execution Vulnerability

Solution:
Vendor fixes are available. Please see the referenced advisory for details.


Apple Safari 5.0.2

Apple Safari 4.1.2

Apple Safari 5.0.2 for Windows

Apple Safari 4.1.2 for Windows

References

WebKit Element Scrollbars Use-After-Free Remote Code Execution Vulnerability

References:

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