CVE-2009-4893 Memory corruption in n/a

Medium 6.8 Published 15 Jun 2010 Updated 7 Aug 2024

Remote attackers can cause a crash or execute arbitrary code in UnrealIRCd when the noident option is enabled.

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-2009-4893?

CVE-2009-4893 is a medium-severity memory corruption vulnerability in n/a, published on 15 Jun 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in UnrealIRCd 3.2beta11 through 3.2.8, when allow::options::noident is enabled, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.

Weakness: CWE-119

Which versions are affected by CVE-2009-4893?

It affects 1 product.

Products include Unrealircd Unrealircd.

How do I fix CVE-2009-4893?

No fix has been published for CVE-2009-4893 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2009-4893 being exploited?

There is no known exploitation of CVE-2009-4893 in the wild and no public exploit code.

Sources

Also known as GHSA-cp64-jc72-8g82.