Advisory Details

May 30th, 2017

(Pwn2Own) Apple Safari WebSQL matchinfo Type Confusion Remote Code Execution Vulnerability

CVE ID	CVE-2017-7002
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 WebSQL. 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 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/HT207798
DISCLOSURE TIMELINE	2017-03-17 - Vulnerability reported to vendor 2017-05-30 - Coordinated public release of advisory
CREDIT	Chaitin Security Research Lab

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