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CVE-2013-1300

Status Candidate

Overview

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT does not properly handle objects in memory, which allows local users to gain privileges via a crafted application, aka "Win32k Memory Allocation Vulnerability."

Related Files

Windows NTUserMessageCall Win32k Kernel Pool Overflow (Schlamperei)
Posted May 5, 2014
Authored by Nils, Jon | Site metasploit.com

A kernel pool overflow in Win32k which allows local privilege escalation. The kernel shellcode nulls the ACL for the winlogon.exe process (a SYSTEM process). This allows any unprivileged process to freely migrate to winlogon.exe, achieving privilege escalation. Used in pwn2own 2013 by MWR to break out of chrome's sandbox. NOTE: when you exit the meterpreter session, winlogon.exe is likely to crash.

tags | exploit, overflow, kernel, local, shellcode
advisories | CVE-2013-1300
SHA-256 | 029ce3aa761be432ed6f02ed2e5c43c401df5d87b251095db17f6f35430afe2d
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