CVE-2013-6413 Use after free in n/a

Medium 5.0 Published 19 May 2014 Updated 6 Aug 2024

Remote attackers can crash the UnrealIRCd server via a use-after-free vulnerability, 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: None listed

What is CVE-2013-6413?

CVE-2013-6413 is a medium-severity use after free vulnerability in n/a, published on 19 May 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Use-after-free vulnerability in UnrealIRCd 3.2.10 before 3.2.10.2 allows remote attackers to cause a denial of service (crash) via unspecified vectors. NOTE: this identifier was SPLIT per ADT2 due to different vulnerability types. CVE-2013-7384 was assigned for the NULL pointer dereference.

Weakness: CWE-399

Which versions are affected by CVE-2013-6413?

It affects 1 product.

Products include Unrealircd Unrealircd.

How do I fix CVE-2013-6413?

No fix has been published for CVE-2013-6413 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2013-6413 being exploited?

There is no known exploitation of CVE-2013-6413 in the wild and no public exploit code.

Sources

Also known as GHSA-q59v-wxhw-jhqw.