CVE-2006-2659 Denial of service in n/a
Attackers can cause a denial of service via CPU consumption by sending usernames with equals signs to Courier MTA.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2006-2659?
CVE-2006-2659 is a high-severity denial of service vulnerability in n/a, published on 30 May 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the "=" (equals) character, which is not properly handled during encoding.
Which versions are affected by CVE-2006-2659?
It affects 1 product.
Products include Double Precision Incorporated Courier Mta.
How do I fix CVE-2006-2659?
Upgrade to a fixed version.
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-2006-2659 being exploited?
There is no known exploitation of CVE-2006-2659 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2006-2659, DSA-1101, GHSA-jf3h-hc4x-5q33.