CVE-2006-6723 Denial of service in n/a

What is CVE-2006-6723?

CVE-2006-6723 is a high-severity denial of service vulnerability in Microsoft Windows 2000, published on 26 Dec 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Workstation service in Microsoft Windows 2000 SP4 and XP SP2 allows remote attackers to cause a denial of service (memory consumption) via a large maxlen value in an NetrWkstaUserEnum RPC request.

Weakness: CWE-399

Which versions are affected by CVE-2006-6723?

It affects 2 products.

Products include Microsoft Windows 2000, Microsoft Windows Xp.

How do I fix CVE-2006-6723?

No fix has been published for CVE-2006-6723 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2006-6723 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-6723 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Microsoft Windows 2000

• CVE-2008-4250 Microsoft Windows Buffer Overflow Exploited Critical 9.8
• CVE-2010-0232 Microsoft Windows Kernel Exception Handler Exploited High 7.8
• CVE-2009-1123 Microsoft Windows Improper Input Validation Exploited High 7.8
• CVE-2002-0367 Microsoft Windows Privilege Escalation Exploited High 7.8
• CVE-2010-0269 Memory corruption in n/a Critical 10.0

All Microsoft Windows 2000 vulnerabilities

Sources

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

Also known as GHSA-7f3p-ppfx-wpjx.