CVE-2003-0143

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…

published September 1, 2004

CVSS
—
EPSS
9%
Percentile
95.1
In the wild
Unconfirmed
What it is

⚠️ A sneaky flaw in qpopper lets authenticated users pull off a buffer overflow! This happens when a long macro name slips through the cracks of message handling. 😱 Think of it as a waiter serving a dish that spills over the plate—if there's no edge to contain it, the whole thing can flood the table! This vulnerability works similarly, allowing unexpected code to spill into your system. An attacker could potentially exploit this to execute arbitrary code on the server, effectively gaining control over it! Imagine the chaos of someone breaking into a restaurant kitchen, messing with the orders, and serving up trouble instead of food. 🍽️ The consequences could range from data breaches to service disruptions!

Put simply

Think of it as a waiter serving a dish that spills over the plate—if there's no edge to contain it, the whole thing can flood the table! This vulnerability works similarly, allowing unexpected code to spill into your system. The issue arises from the pop_msg function in qpopper 4.0.x before 4.0.5fc2, which fails to null terminate a message buffer after using Qvsnprintf. This oversight can lead to a buffer overflow during a mdef command with a long macro name, allowing code execution.

What to do

An attacker could potentially exploit this to execute arbitrary code on the server, effectively gaining control over it! Imagine the chaos of someone breaking into a restaurant kitchen, messing with the orders, and serving up trouble instead of food. 🍽️ The consequences could range from data breaches to service disruptions! To safeguard against this vulnerability, upgrading to version 4.0.5fc2 or later is essential. Regularly audit your configurations and limit macro name lengths as a precautionary measure. 🛡️ You've got this! With a quick update and some proactive measures, you can keep your system safe and sound! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.08604 · 95.1th percentile
Published
2004-09-01T04:00Z
EPSS history
Timeline
  • 01 SEP 04:00Z
    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…
    cvelistv5