CVE-2009-4216

Directory traversal vulnerability in funzioni/lib/menulast.php in klinza professional cms 5.0.1 and earlier allows remote attackers to include and execute…

published December 7, 2009

CVSS
—
EPSS
6%
Percentile
92.9
In the wild
Unconfirmed
What it is

⚠️ This sneaky directory traversal vulnerability in klinza professional cms could let attackers execute local files just by manipulating a single parameter! Think of it like a restaurant where you accidentally give the waiter an order for a dish from the chef's private kitchen instead of the menu — if they don’t double-check, you could end up with something unexpected from behind the scenes! An attacker could exploit this to include and run any file on the server, potentially leading to devastating outcomes like data breaches or even a full system compromise. This vulnerability opens the door to unauthorized access, making it a serious risk for any installations still running these versions.

Put simply

Think of it like a restaurant where you accidentally give the waiter an order for a dish from the chef's private kitchen instead of the menu — if they don’t double-check, you could end up with something unexpected from behind the scenes! The vulnerability arises from a failure to properly sanitize the LANG parameter, allowing an attacker to use directory traversal techniques (the '..' sequence) to access arbitrary local files on the server.

What to do

An attacker could exploit this to include and run any file on the server, potentially leading to devastating outcomes like data breaches or even a full system compromise. This vulnerability opens the door to unauthorized access, making it a serious risk for any installations still running these versions. To protect your site, upgrade to the latest version of klinza CMS as soon as possible. Additionally, audit your code to ensure that any user inputs are properly sanitized and validated to prevent similar vulnerabilities. You've got this! With these steps, you're on your way to strengthening your security posture. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05603 · 92.9th percentile
Published
2009-12-07T17:00Z
EPSS history
Timeline
  • 07 DEC 17:00Z
    Directory traversal vulnerability in funzioni/lib/menulast.php in klinza professional cms 5.0.1 and earlier allows remote attackers to include and execute…
    cvelistv5