CVE-2009-3711

Stack-based buffer overflow in the h_handlepeer function in http.cpp in httpdx 1.4, and possibly 1.4.3, allows remote attackers to cause a denial of service…

published October 16, 2009

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.2th percentile for exploit probability.

CVSS
—
EPSS
64%
Percentile
99.2
In the wild
Unconfirmed
What it is

⚠️ A long HTTP GET request can crash your server and leave it gasping for breath! This stack-based buffer overflow in httpdx 1.4 is surprisingly sneaky. 🔥 Think of it as a restaurant where a customer keeps ordering appetizers without stopping — eventually, the kitchen gets overwhelmed, and everything goes haywire, potentially ruining the service for everyone else. An attacker could flood your server with lengthy requests, causing it to crash and denying service to legitimate users. It might even open the door for arbitrary code execution, putting your system at high risk!

Put simply

Think of it as a restaurant where a customer keeps ordering appetizers without stopping — eventually, the kitchen gets overwhelmed, and everything goes haywire, potentially ruining the service for everyone else. This vulnerability stems from a stack-based buffer overflow in the h_handlepeer function of http.cpp in httpdx 1.4. When faced with excessively long HTTP GET requests, the application fails to properly manage memory, leading to potential crashes or arbitrary code execution.

What to do

An attacker could flood your server with lengthy requests, causing it to crash and denying service to legitimate users. It might even open the door for arbitrary code execution, putting your system at high risk! To safeguard your systems, consider updating to a patched version of httpdx if available. Additionally, implement request length limits in your web server configurations to mitigate the risk of such buffer overflow exploits. Monitoring traffic for unusual patterns can also help catch these attempts early. You've got this! By following these steps, you'll be one step closer to securing your environment! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.63909 · 99.2th percentile
Published
2009-10-16T16:00Z
EPSS history
Timeline
  • 16 OCT 16:00Z
    Stack-based buffer overflow in the h_handlepeer function in http.cpp in httpdx 1.4, and possibly 1.4.3, allows remote attackers to cause a denial of service…
    cvelistv5