CVE-2013-1340 Use after free in n/a

What is CVE-2013-1340?

CVE-2013-1340 is a high-severity use after free vulnerability in Microsoft Windows 7, published on 10 Jul 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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 Dereference Vulnerability."

Weakness: CWE-264, CWE-416

Which versions are affected by CVE-2013-1340?

It affects 8 products.

Products include Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows Rt, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2013-1340?

No fix has been published for CVE-2013-1340 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2013-1340 being exploited?

There is no known exploitation of CVE-2013-1340 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows 7

• CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution Exploited Critical 9.8
• CVE-2015-2360 Microsoft Win32k Privilege Escalation Exploited High 8.8
• CVE-2014-6324 Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Exploited High 8.8
• CVE-2014-6332 Microsoft Windows Object Linking & Embedding (OLE) Automation Array Remote Code Execution Exploited High 8.8
• CVE-2014-4148 Microsoft Windows Remote Code Execution Exploited High 8.8

All Microsoft Windows 7 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-56qr-8qww-gfx7.