CVE-2000-0453 Denial of service in n/a
An attacker can cause a denial of service in XFree86 by sending a malformed TCP packet with a negative counter value to port 6000.
- 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-2000-0453?
CVE-2000-0453 is a medium-severity denial of service vulnerability in n/a, published on 12 Jul 2000. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
XFree86 3.3.x and 4.0 allows a user to cause a denial of service via a negative counter value in a malformed TCP packet that is sent to port 6000.
Which versions are affected by CVE-2000-0453?
It affects 1 product.
Products include Xfree86 Project X11r6.
How do I fix CVE-2000-0453?
No fix has been published for CVE-2000-0453 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-2000-0453 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2000-0453 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-3vr3-fvrq-86x3.