CVE-2010-0303 Denial of service in n/a
Remote attackers can crash the IRC Services daemon by sending a specific private message to MemoServ, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-0303?
CVE-2010-0303 is a medium-severity denial of service vulnerability in n/a, published on 4 Feb 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mystring.c in hybserv in IRCD-Hybrid (aka Hybrid2 IRC Services) 1.9.2 through 1.9.4 allows remote attackers to cause a denial of service (daemon crash) via a ":help \t" private message to the MemoServ service.
Weakness: CWE-20
Which versions are affected by CVE-2010-0303?
It affects 1 product.
Products include Dinko Korunic Hybserv2.
How do I fix CVE-2010-0303?
Apply the vendor's patch.
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-2010-0303 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-0303 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as DSA-1982-1, GHSA-74jg-v6qv-47p6.