CVE-2003-0143 Memory corruption in n/a

Critical 10.0 Published Updated

Authenticated users can execute arbitrary code via a buffer overflow in the qpopper POP3 server's message handling.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2003-0143?

CVE-2003-0143 is a critical memory corruption vulnerability in n/a, published on 1 Sep 2004. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message buffer after a call to Qvsnprintf, which could allow authenticated users to execute arbitrary code via a buffer overflow in a mdef command with a long macro name.

Which versions are affected by CVE-2003-0143?

It affects 1 product.

Products include Qualcomm Qpopper.

How do I fix CVE-2003-0143?

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-2003-0143 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0143 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as DSA-259, GHSA-frx8-9fr9-73ww.

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