Advisory Details

May 13th, 2009

Apple Safari Malformed SVGList Parsing Code Execution Vulnerability

ZDI-09-022
ZDI-CAN-464

CVE ID CVE-2009-0945
CVSS SCORE
AFFECTED VENDORS Apple
AFFECTED PRODUCTS Safari
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 6960. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

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.

ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
http://support.apple.com/kb/HT3549
DISCLOSURE TIMELINE
  • 2009-03-19 - Vulnerability reported to vendor
  • 2009-05-13 - Coordinated public release of advisory
CREDIT Nils
BACK TO ADVISORIES