CVE-1999-0867 Denial of service in n/a
An attacker can cause a denial of service in Microsoft IIS by sending a flood of HTTP requests with malformed headers.
- 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-1999-0867?
CVE-1999-0867 is a medium-severity denial of service vulnerability in Microsoft Internet Information Server, published on 4 Jan 2000. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.
Weakness: CWE-20
Which versions are affected by CVE-1999-0867?
It affects 3 products.
Products include Microsoft Commercial Internet System, Microsoft Internet Information Server, Microsoft Site Server.
How do I fix CVE-1999-0867?
No fix has been published for CVE-1999-0867 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-1999-0867 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-1999-0867 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Internet Information Server
Sources
Also known as GHSA-m9hv-pvv3-2735.