CVE-2003-0321 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can cause crashes or execute arbitrary code in BitchX IRC clients via buffer overflows triggered by malicious server responses.

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

What is CVE-2003-0321?

CVE-2003-0321 is a high-severity memory corruption vulnerability in n/a, published on 22 May 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple buffer overflows in BitchX IRC client 1.0-0c19 and earlier allow remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via long hostnames, nicknames, or channel names, which are not properly handled by the functions (1) send_ctcp, (2) cannot_join_channel, (3) cluster, (4) BX_compress_modes, (5) handle_oper_vision, and (6) ban_it.

Which versions are affected by CVE-2003-0321?

It affects 1 product.

Products include Colten Edwards Bitchx.

How do I fix CVE-2003-0321?

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-2003-0321 being exploited?

There is no known exploitation of CVE-2003-0321 in the wild and no public exploit code.

Sources

Also known as GHSA-cp4w-x93q-r38r.

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