CVE-2005-4448

FlatNuke 2.5.6 verifies authentication credentials based on an MD5 checksum of the admin name and the hashed password rather than the plaintext password, which…

published December 21, 2005

CVSS
—
EPSS
3%
Percentile
86.4
In the wild
Unconfirmed
What it is

⚠️ An MD5 checksum of the admin’s name and hashed password is the weak link! This lets attackers potentially calculate valid credentials if they get hold of the password hash. 🔑 Think of this like a diner taking a picture of your meal instead of checking your order — they can recreate it without ever asking for the recipe. If they know the hash, it’s game on! An attacker could gain admin privileges and access sensitive information or make unauthorized changes to the system. This could lead to data leaks or complete control over your FlatNuke installation, leaving your site wide open to abuse.

Put simply

Think of this like a diner taking a picture of your meal instead of checking your order — they can recreate it without ever asking for the recipe. If they know the hash, it’s game on! This vulnerability allows attackers to exploit the way FlatNuke 2.5.6 verifies authentication by relying on an MD5 hash rather than the plaintext password, making it easier for them to forge admin credentials.

What to do

An attacker could gain admin privileges and access sensitive information or make unauthorized changes to the system. This could lead to data leaks or complete control over your FlatNuke installation, leaving your site wide open to abuse. To secure your FlatNuke installation, consider upgrading to the latest version available and use stronger password hashing algorithms. Review your application security practices to ensure password hashes are properly protected from unauthorized access. You’ve got this! Follow these steps to fortify your defenses and keep those attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02819 · 86.4th percentile
Published
2005-12-21T11:00Z
EPSS history
Timeline
  • 21 DEC 11:00Z
    FlatNuke 2.5.6 verifies authentication credentials based on an MD5 checksum of the admin name and the hashed password rather than the plaintext password, which…
    cvelistv5