Advisory Details

May 10th, 2016

(Pwn2Own) Microsoft Windows PFFOBJ::bDeleteLoadRef Font Use-After-Free Privilege Escalation Vulnerability

CVE ID	CVE-2016-0175
CVSS SCORE	6.9, AV:L/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['24548']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. 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 fonts. The issue lies in the failure to remove references to a font after freeing associated resources. An attacker can leverage this vulnerability to escalate privileges and execute code within the context of SYSTEM.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://technet.microsoft.com/en-us/library/security/ms16-062.aspx
DISCLOSURE TIMELINE	2016-03-12 - Vulnerability reported to vendor 2016-05-10 - Coordinated public release of advisory
CREDIT	Tencent PC Manager

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