Advisory Details

January 24th, 2017

Apple Safari SearchInputType Type Confusion Remote Code Execution Vulnerability

ZDI-17-054
ZDI-CAN-4121

CVE ID CVE-2017-2354
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
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 26419. 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 or open a malicious file.

The specific flaw exists within SearchInputType objects. The issue results from the lack of proper validation of user-supplied data which can result in a type confusion condition. An attacker can leverage this vulnerability to achieve remote code execution under the context of the process.

ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/kb/HT201222
DISCLOSURE TIMELINE
  • 2016-11-10 - Vulnerability reported to vendor
  • 2017-01-24 - Coordinated public release of advisory
CREDIT Neymar of Tencent's Xuanwu LAB(http://www.tencent.com)
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