CVE-2006-1629

OpenVPN 2.0 through 2.0.5 allows remote malicious servers to execute arbitrary code on the client by using setenv with the LD_PRELOAD environment variable

published April 6, 2006

CVSS
β€”
EPSS
3%
Percentile
87.6
In the wild
Unconfirmed
What it is

⚠️ OpenVPN versions 2.0 to 2.0.5 have a crafty flaw that allows remote servers to execute arbitrary code on your client β€” like a sneaky guest who gets access to unlock all the hidden drawers! πŸ”“ Imagine inviting someone into your home who then decides to rummage through your personal belongings and rearrange everything β€” that's what this vulnerability allows an attacker to do with your system! With this vulnerability, a malicious server can run any code on your machine, potentially leading to data theft, unauthorized changes, or even a complete system takeover. It’s like giving a stranger the keys to your house β€” you never know what chaos might ensue!

Put simply

Imagine inviting someone into your home who then decides to rummage through your personal belongings and rearrange everything β€” that's what this vulnerability allows an attacker to do with your system! This vulnerability occurs because OpenVPN allows the use of the LD_PRELOAD environment variable in the setenv function, enabling attackers to load arbitrary shared libraries and execute malicious code on the client side.

What to do

With this vulnerability, a malicious server can run any code on your machine, potentially leading to data theft, unauthorized changes, or even a complete system takeover. It’s like giving a stranger the keys to your house β€” you never know what chaos might ensue! To mitigate this risk, update OpenVPN to a later version if possible and configure it to restrict the use of environment variables like LD_PRELOAD. Regularly review your server configurations and user permissions to limit exposure. You've got this! With these steps, you'll fortify your defenses and keep those digital intruders at bay! πŸ›‘οΈ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03093 Β· 87.6th percentile
Published
2006-04-06T22:00Z
EPSS history
Timeline
  • 06 APR 22:00Z
    OpenVPN 2.0 through 2.0.5 allows remote malicious servers to execute arbitrary code on the client by using setenv with the LD_PRELOAD environment variable
    cvelistv5