Advisory Details

June 8th, 2010

Apple Webkit Option Element ContentEditable Remote Code Execution Vulnerability

ZDI-10-092
ZDI-CAN-688

CVE ID CVE-2010-1396
CVSS SCORE 10.0, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS Apple
AFFECTED PRODUCTS WebKit
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 9870. 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 Apples Webkit. User interaction is required in that the user must coerced into visiting a website or opening a malicious document.

The specific flaw exists within how the library removes a particular container element containing another element holding the contentEditable attribute. Upon removal of the container during a particular event, the library will traverse the tree and access the contentEditable element that was freed. This can lead to code execution under the context of the application.

VENDOR RESPONSE Apple has issued an update to correct this vulnerability. More details can be found at:
http://support.apple.com/kb/HT4196
DISCLOSURE TIMELINE
  • 2010-05-10 - Vulnerability reported to vendor
  • 2010-06-08 - Coordinated public release of advisory
CREDIT wushi of team509
BACK TO ADVISORIES