CVE-2009-4016 Integer overflow in n/a
Remote attackers can execute arbitrary code or crash the IRC daemon via a crafted LINKS command when flatten_links is disabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-4016?
CVE-2009-4016 is a medium-severity 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
Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, when flatten_links is disabled, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a LINKS command.
Weakness: CWE-189
Which versions are affected by CVE-2009-4016?
It affects 3 products.
Products include Ircd-Hybrid Ircd-Hybrid, Ircd-Ratbox Ircd-Ratbox, Oftc Oftc-Hybrid.
How do I fix CVE-2009-4016?
Upgrade to a fixed version.
Is CVE-2009-4016 being exploited?
There is no known exploitation of CVE-2009-4016 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2009-4016, GHSA-hxqm-w72v-m7v5.