CVE-2011-0043 Weak cryptography in n/a

What is CVE-2011-0043?

CVE-2011-0043 is a high-severity vulnerability in Microsoft Windows 2003 Server, published on 10 Feb 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Kerberos in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 supports weak hashing algorithms, which allows local users to gain privileges by operating a service that sends crafted service tickets, as demonstrated by the CRC32 algorithm, aka "Kerberos Unkeyed Checksum Vulnerability."

Weakness: CWE-310

Which versions are affected by CVE-2011-0043?

It affects 3 products.

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

How do I fix CVE-2011-0043?

No fix has been published for CVE-2011-0043 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-0043 being exploited?

There is no known exploitation of CVE-2011-0043 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-34f8-rw4c-vq9g.