Apple Safari Type Confusion Remote Code Execution Vulnerability

March 22nd, 2016
ZDI-16-200 ZDI-CAN-3449

CVE ID

CVE-2016-1778

CVSS Score

6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Vendors

Apple

Affected Products

Safari

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 the handling of events. The issue lies in the processing of the dispatchEvent function. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.

Additional Details

Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-us/HT206171

Disclosure Timeline

  • 2015-12-17 - Vulnerability reported to vendor
  • 2016-03-22 - Coordinated public release of advisory

Credit

0x1byte

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