ZDI-10-029: Apple WebKit innerHTML element Substitution Remote Code Execution Vulnerability

2010-03-16T00:00:00
ID SECURITYVULNS:DOC:23391
Type securityvulns
Reporter Securityvulns
Modified 2010-03-16T00:00:00

Description

ZDI-10-029: Apple WebKit innerHTML element Substitution Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-029 March 15, 2010

-- CVE ID: CVE-2010-0050

-- Affected Vendors: Google Apple

-- Affected Products: Google Chrome Apple WebKit Apple Safari

-- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 9590. For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

-- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple WebKit. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

The specific flaw exists in the WebCore's HTMLObjectElement::renderFallBackContent() method. By rewriting an HTML element via the document's innerHTML() method a memory corruption occurs resulting from a call-after-free. This can be leveraged to execute arbitrary code under the context of the current user.

-- Vendor Response: Apple has issued an update to correct this vulnerability. More details can be found at:

http://support.apple.com/kb/HT4070

-- Disclosure Timeline: 2009-10-21 - Vulnerability reported to vendor 2010-03-15 - Coordinated public release of advisory

-- Credit: This vulnerability was discovered by: * wushi of team509

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