Advisory Details

June 22nd, 2016

(Pwn2Own) Microsoft Windows Diagnostics Hub Standard Collector Directory Traversal Privilege Escalation Vulnerability

CVE ID	CVE-2016-3231
CVSS SCORE	6.9, AV:L/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
VULNERABILITY DETAILS	This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Microsoft Windows Diagnostics Hub Standard Collector. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within DiagnosticsHub.StandardCollector.Service.exe. The issue lies in the failure to properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code under 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/library/security/MS16-078
DISCLOSURE TIMELINE	2016-03-17 - Vulnerability reported to vendor 2016-06-22 - Coordinated public release of advisory
CREDIT	lokihardt

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