CVE-2004-0400 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can cause denial of service or execute arbitrary code via a stack-based buffer overflow in Exim when header syntax checking is enabled.

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

What is CVE-2004-0400?

CVE-2004-0400 is a high-severity memory corruption vulnerability in n/a, published on 12 May 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Stack-based buffer overflow in Exim 4 before 4.33, when the headers_check_syntax option is enabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code during the header check.

Which versions are affected by CVE-2004-0400?

It affects 1 product.

Products include University of Cambridge Exim.

How do I fix CVE-2004-0400?

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-2004-0400 being exploited?

There is no known exploitation of CVE-2004-0400 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2004-0400, GHSA-qx32-c2q2-cgcr.

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