Apple Safari Malformed SVGList Parsing Code Execution VulnerabilityZDI-09-022: May 13th, 2009
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 6960. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple Safari. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.
The specific flaw exists during the parsing of malformed SVGLists via the SVGPathList data structure, the following lists are affected: SVGTransformList, SVGStringList, SVGNumberList, SVGPathSegList, SVGPointList, SVGLengthList. When a negative index argument is suppled to the insertItemBefore() method, a memory corruption occurs resulting in the ability to execute arbitrary code.
Vendor ResponseApple has issued an update to correct this vulnerability. More details can be found at:
2009-03-19 - Vulnerability reported to vendor
2009-05-13 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: