CVE-2000-0673 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause denial of service by sending spoofed NetBIOS Name Server datagrams due to lack of authentication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2000-0673?

CVE-2000-0673 is a medium-severity denial of service vulnerability in Microsoft Windows 2000, published on 13 Oct 2000. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The NetBIOS Name Server (NBNS) protocol does not perform authentication, which allows remote attackers to cause a denial of service by sending a spoofed Name Conflict or Name Release datagram, aka the "NetBIOS Name Server Protocol Spoofing" vulnerability.

Which versions are affected by CVE-2000-0673?

It affects 2 products.

Products include Microsoft Windows 2000, Microsoft Windows Nt.

How do I fix CVE-2000-0673?

No fix has been published for CVE-2000-0673 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-2000-0673 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2000-0673 exists.

Public exploit code: 1 Exploit-DB entry.

All Microsoft Windows 2000 vulnerabilities

Sources

Also known as GHSA-459f-26mc-vgm2.

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