CVE-2011-1968 Use after free in n/a

What is CVE-2011-1968?

CVE-2011-1968 is a high-severity use after free vulnerability in Microsoft Windows 2003 Server, published on 10 Aug 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Remote Desktop Protocol (RDP) implementation in Microsoft Windows XP SP2 and SP3 and Windows Server 2003 SP2 does not properly process packets in memory, which allows remote attackers to cause a denial of service (reboot) by sending crafted RDP packets triggering access to an object that (1) was not properly initialized or (2) is deleted, as exploited in the wild in 2011, aka "Remote Desktop Protocol Vulnerability."

Weakness: CWE-399

Which versions are affected by CVE-2011-1968?

It affects 3 products.

Products include Microsoft Windows 2003 Server, Microsoft Windows Server 2003, Microsoft Windows Xp.

How do I fix CVE-2011-1968?

No fix has been published for CVE-2011-1968 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-2011-1968 being exploited?

There is no known exploitation of CVE-2011-1968 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Windows 2003 Server

• CVE-2008-0015 Microsoft Windows Video ActiveX Control Remote Code Execution Exploited High 8.8
• CVE-2015-1701 Microsoft Win32k Privilege Escalation Exploited High 7.8
• CVE-2013-5065 Microsoft Windows Kernel Privilege Escalation Exploited High 7.8
• CVE-2011-1268 Code injection in n/a Critical 10.0
• CVE-2011-1868 Memory corruption in n/a Critical 10.0

All Microsoft Windows 2003 Server vulnerabilities

Sources

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

Also known as GHSA-7ffr-g48r-p39q.