CVE-2005-3945 Denial of service in n/a

What is CVE-2005-3945?

CVE-2005-3945 is a high-severity denial of service vulnerability in Microsoft Windows 2000, published on 1 Dec 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SynAttackProtect protection in Microsoft Windows 2003 before SP1 and Windows 2000 before SP4 with Update Roll-up uses a hash of predictable data, which allows remote attackers to cause a denial of service (CPU consumption) via a flood of SYN packets that produce identical hash values, which slows down the hash table lookups.

Which versions are affected by CVE-2005-3945?

It affects 2 products.

Products include Microsoft Windows 2000, Microsoft Windows 2003 Server.

How do I fix CVE-2005-3945?

No fix has been published for CVE-2005-3945 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-2005-3945 being exploited?

There is no known exploitation of CVE-2005-3945 in the wild and no public exploit code.

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-vhpw-jc69-hpmx.