CVE-2001-0060

Format string vulnerability in stunnel 3.8 and earlier allows attackers to execute arbitrary commands via a malformed ident username

published May 7, 2001

CVSS
—
EPSS
3%
Percentile
86.2
In the wild
Unconfirmed
What it is

⚠️ A crafty format string vulnerability lurks in stunnel 3.8 and earlier, allowing a malformed ident username to execute arbitrary commands. 🔥 Think of it as a restaurant that takes orders without checking if the ingredients are safe. A customer might slip in a request for something totally unexpected, and suddenly, the chef is cooking up a storm with no idea what's on the menu! If exploited, an attacker could potentially execute arbitrary commands on the server, leading to unauthorized access or data manipulation - a scenario that could jeopardize the security of your entire system! While this vulnerability hasn't been known to be exploited widely, the risk remains concerning.

Put simply

Think of it as a restaurant that takes orders without checking if the ingredients are safe. A customer might slip in a request for something totally unexpected, and suddenly, the chef is cooking up a storm with no idea what's on the menu! This format string vulnerability arises when the application processes user input without proper validation. By injecting a crafted ident username, an attacker can manipulate the data and execute commands remotely.

What to do

If exploited, an attacker could potentially execute arbitrary commands on the server, leading to unauthorized access or data manipulation - a scenario that could jeopardize the security of your entire system! While this vulnerability hasn't been known to be exploited widely, the risk remains concerning. To mitigate this vulnerability, upgrade to stunnel version 3.9 or later, where this issue is addressed. Additionally, ensure all user inputs are sanitized and validated before processing. Regularly audit dependencies to maintain a secure environment. You've got this! With these steps, you'll bolster your security and keep your systems safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02774 · 86.2th percentile
Published
2001-05-07T04:00Z
EPSS history
Timeline
  • 07 MAY 04:00Z
    Format string vulnerability in stunnel 3.8 and earlier allows attackers to execute arbitrary commands via a malformed ident username
    cvelistv5