Advisory Details

October 13th, 2015

Adobe Flash TextFormat tabStops Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2015-7629
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Flash
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Flash. 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 TextFormat objects. By manipulating the tabStops property of a TextFormat object, an attacker can force a dangling pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute arbitrary code under the context of the current process.
ADDITIONAL DETAILS	Adobe has issued an update to correct this vulnerability. More details can be found at: https://helpx.adobe.com/security/products/flash-player/apsb15-25.html
DISCLOSURE TIMELINE	2015-06-25 - Vulnerability reported to vendor 2015-10-13 - Coordinated public release of advisory
CREDIT	instruder of alibaba security research team

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