CVE-2012-1836 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can execute arbitrary code on InspIRCd servers via a crafted DNS query exploiting a heap-based buffer overflow.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2012-1836?

CVE-2012-1836 is a high-severity memory corruption vulnerability in n/a, published on 22 Mar 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.

Weakness: CWE-119

Which versions are affected by CVE-2012-1836?

It affects 1 product.

Products include Inspircd Inspircd.

How do I fix CVE-2012-1836?

Upgrade to a fixed version.

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

Is CVE-2012-1836 being exploited?

There is no known exploitation of CVE-2012-1836 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2012-1836, DSA-2448-1, GHSA-pwc6-j7x5-cxc4.

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