Advisory Details

July 9th, 2014

(Pwn2Own) Microsoft Windows DirectShow Privilege Escalation Vulnerability

ZDI-14-221
ZDI-CAN-2231

CVE ID CVE-2014-2780
CVSS SCORE 4.4, (AV:L/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS DirectShow
VULNERABILITY DETAILS


This vulnerability allows remote 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 the Stretch object. The issue lies in the failure to properly sanitize user-supplied data. An attacker can leverage this vulnerability to elevate privileges and execute code under the context of the current user.

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/MS14-041.aspx
DISCLOSURE TIMELINE
  • 2014-03-11 - Vulnerability reported to vendor
  • 2014-07-09 - Coordinated public release of advisory
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