Microsoft Windows NtUserDisableProcessWindowFiltering Information Disclosure Vulnerability
Vulnerability Details
This vulnerability allows local attackers to leak sensitive information 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 NtUserDisableProcessWindowFiltering function. The issue lies in the failure to sanitize a stack variable before returning it to the user. An attacker can leverage this together with another vulnerability to achieve code execution at 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/ms15-073.aspx
Disclosure Timeline
- 2015-05-07 - Vulnerability reported to vendor
- 2015-11-10 - Coordinated public release of advisory
Credit
WanderingGlitch of the HPE Security Zero Day Initiative
