CVE-2002-2400

Buffer overflow in the httpdProcessRequest function in LibHTTPD 1.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary…

published November 1, 2007

CVSS
—
EPSS
8%
Percentile
94.5
In the wild
Unconfirmed
What it is

⚠️ A long HTTP POST request is all it takes to trip up LibHTTPD 1.2! Attackers could exploit a buffer overflow in the httpdProcessRequest function, crashing the server like a waiter dropping a whole tray of drinks. 🍹 Think of it as a restaurant where a customer orders a ridiculously large meal that the kitchen can’t handle. When they try to serve it, the entire kitchen goes into chaos, leading to crashes all around! If an attacker sends a carefully crafted long request, they could cause the server to crash, denying service to legitimate users. In the worst case, it might even give the attacker a backdoor to execute arbitrary code, turning that restaurant mishap into a full-blown disaster!

Put simply

Think of it as a restaurant where a customer orders a ridiculously large meal that the kitchen can’t handle. When they try to serve it, the entire kitchen goes into chaos, leading to crashes all around! This vulnerability is a buffer overflow in the function responsible for processing HTTP requests. When an excessively long POST request is received, it can overflow the allocated memory space, leading to potential crashes and execution of malicious code.

What to do

If an attacker sends a carefully crafted long request, they could cause the server to crash, denying service to legitimate users. In the worst case, it might even give the attacker a backdoor to execute arbitrary code, turning that restaurant mishap into a full-blown disaster! To mitigate this issue, consider updating LibHTTPD to a version that addresses this overflow problem, if available. Additionally, implement input validation measures to limit the size of incoming HTTP requests and monitor server logs for unusual activity. 🛡️ You've got this! With some proactive steps, you can keep your server safe and sound! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.07650 · 94.5th percentile
Published
2007-11-01T17:00Z
EPSS history
Timeline
  • 01 NOV 17:00Z
    Buffer overflow in the httpdProcessRequest function in LibHTTPD 1.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary…
    cvelistv5