CVE-2011-0657 Memory corruption in n/a

What is CVE-2011-0657?

CVE-2011-0657 is a critical memory corruption vulnerability in Microsoft Windows 2003 Server, published on 13 Apr 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

DNSAPI.dll in the DNS client in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly process DNS queries, which allows remote attackers to execute arbitrary code via (1) a crafted LLMNR broadcast query or (2) a crafted application, aka "DNS Query Vulnerability."

Weakness: CWE-20

Which versions are affected by CVE-2011-0657?

It affects 6 products.

Products include Microsoft Windows 2003 Server, Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.

How do I fix CVE-2011-0657?

No fix has been published for CVE-2011-0657 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-0657 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-0657 exists.

Public exploit code: 1 Metasploit module.

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-83pj-rf4v-jjwj.