Advisory Details

November 4th, 2016

Apple Safari JavaScriptCore Array Out-Of-Bounds Access Remote Code Execution Vulnerability

ZDI-16-590
ZDI-CAN-3875

CVE ID CVE-2016-4677
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 ['24332']. 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 the handling of Array objects. A crafted Array object can trigger a memory access past the end of an allocated buffer. 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/HT207271
DISCLOSURE TIMELINE
  • 2016-08-23 - Vulnerability reported to vendor
  • 2016-11-04 - Coordinated public release of advisory
CREDIT Anonymous
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