Advisory Details

July 26th, 2018

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

CVE ID	CVE-2018-4204
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 ['30810']. 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 of the Array.splice method. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute 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/HT208741
DISCLOSURE TIMELINE	2018-02-20 - Vulnerability reported to vendor 2018-07-26 - Coordinated public release of advisory 2018-07-26 - Advisory Updated
CREDIT	Richard Zhu (fluorescence)

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