CVE-2003-1012 Denial of service in n/a

Medium 5.0 Published 17 Dec 2003 Updated 8 Aug 2024

Remote attackers can cause a denial of service in Ethereal by sending malformed SMB packets that trigger a segmentation fault.

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

What is CVE-2003-1012?

CVE-2003-1012 is a medium-severity denial of service vulnerability in Ethereal Group Ethereal, published on 17 Dec 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The SMB dissector in Ethereal before 0.10.0 allows remote attackers to cause a denial of service via a malformed SMB packet that triggers a segmentation fault during processing of Selected packets.

Which versions are affected by CVE-2003-1012?

It affects 1 product.

Products include Ethereal Group Ethereal.

How do I fix CVE-2003-1012?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2003-1012 being exploited?

There is no known exploitation of CVE-2003-1012 in the wild and no public exploit code.

All Ethereal Group Ethereal vulnerabilities

Sources

Also known as GHSA-x4cx-jvhv-54ww.