CVE-2009-0545

cgi-bin/kerbynet in ZeroShell 1.0beta11 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the type parameter in a…

published February 12, 2009

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.8th percentile for exploit probability.

CVSS
—
EPSS
90%
Percentile
99.8
In the wild
Unconfirmed
What it is

⚠️ An unsuspecting type parameter has a surprise attack waiting for it! This vulnerability in ZeroShell 1.0beta11 (and earlier) leaves a backdoor wide open for remote attackers to run arbitrary commands. 🔥 Think of it as a restaurant with an open kitchen where anyone can just shout out their ‘special order’ and the chef will cook it up without checking who’s at the counter. If someone calls out the right commands, they could get a dish that wreaks havoc! An attacker could potentially execute any command they desire, leading to unauthorized access, data breaches, or even complete system takeovers. It’s like handing over the keys to your establishment to a complete stranger — absolute chaos could ensue!

Put simply

Think of it as a restaurant with an open kitchen where anyone can just shout out their ‘special order’ and the chef will cook it up without checking who’s at the counter. If someone calls out the right commands, they could get a dish that wreaks havoc! This vulnerability allows remote attackers to inject shell metacharacters into the type parameter of a NoAuthREQ x509List action, enabling them to execute arbitrary commands on the server.

What to do

An attacker could potentially execute any command they desire, leading to unauthorized access, data breaches, or even complete system takeovers. It’s like handing over the keys to your establishment to a complete stranger — absolute chaos could ensue! To safeguard against this vulnerability, update to a more recent version of ZeroShell. Implement input validation to sanitize command parameters. Consider tightening access controls to minimize risks. You’ve got this! By taking these steps, you can reinforce your security fortress and keep those attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.90386 · 99.8th percentile
Published
2009-02-12T23:00Z
EPSS history
Timeline
  • 12 FEB 23:00Z
    cgi-bin/kerbynet in ZeroShell 1.0beta11 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the type parameter in a…
    cvelistv5