Apple WebKit innerHTML element Substitution Remote Code Execution VulnerabilityZDI-10-029: March 15th, 2010
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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 ResponseGoogle states:
Apple has issued an update to correct this vulnerability. More details can be found at:
2009-10-21 - Vulnerability reported to vendor
2010-03-15 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
wushi of team509