CVE-2009-0841

Directory traversal vulnerability in mapserv.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2, when running on Windows with Cygwin, allows…

published March 31, 2009

CVSS
—
EPSS
5%
Percentile
92.5
In the wild
Unconfirmed
What it is

⚠️ A sneaky directory traversal vulnerability lurking in MapServer lets attackers craft files with a simple trick — it's like slipping a note under the door without anyone noticing! Think of a restaurant where a waiter mistakenly delivers an order to the wrong table because he’s not checking the ticket correctly. This vulnerability allows an attacker to manipulate the path and access files outside the intended directory. 🥡 If exploited, an attacker could create arbitrary files on the server, potentially leading to data leaks or overwriting critical system files — a recipe for chaos! Imagine the havoc if someone were to change the main menu to something outrageous!

Put simply

Think of a restaurant where a waiter mistakenly delivers an order to the wrong table because he’s not checking the ticket correctly. This vulnerability allows an attacker to manipulate the path and access files outside the intended directory. 🥡 This directory traversal vulnerability in MapServer's mapserv.c file allows remote attackers to use the '..' sequence in the 'id' parameter, bypassing normal restrictions and accessing unauthorized areas of the filesystem.

What to do

If exploited, an attacker could create arbitrary files on the server, potentially leading to data leaks or overwriting critical system files — a recipe for chaos! Imagine the havoc if someone were to change the main menu to something outrageous! Upgrade MapServer to version 4.10.4 or 5.2.2 or later to close this vulnerability. Regularly audit your server’s configurations to ensure that directory traversal protections are in place. It’s always a good idea to sanitize user inputs to prevent such exploits! You've got this! With these steps, you'll lock down your server and keep the bad guys out! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05276 · 92.5th percentile
Published
2009-03-31T18:00Z
EPSS history
Timeline
  • 31 MAR 18:00Z
    Directory traversal vulnerability in mapserv.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2, when running on Windows with Cygwin, allows…
    cvelistv5