CVE-2019-1003041

A sandbox bypass vulnerability in Jenkins Pipeline: Groovy Plugin 2.64 and earlier allows attackers to invoke arbitrary constructors in sandboxed scripts

published March 28, 2019

CVSS
—
EPSS
3%
Percentile
88.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky bypass in Jenkins could let attackers execute any constructor in sandboxed scripts — like letting a kid into a candy factory without supervision! 🍭 Think of Jenkins as a pizza kitchen where only certain toppings are allowed, but this vulnerability is like a delivery driver who can sneak in forbidden ingredients. Once in, they can whip up any pizza they want, completely disregarding the rules. If exploited, this vulnerability could allow an attacker to run arbitrary code in a Jenkins environment, potentially leading to unauthorized access to sensitive data or system configurations. The repercussions could be quite significant, especially if the Jenkins instance is connected to critical production environments.

Put simply

Think of Jenkins as a pizza kitchen where only certain toppings are allowed, but this vulnerability is like a delivery driver who can sneak in forbidden ingredients. Once in, they can whip up any pizza they want, completely disregarding the rules. This sandbox bypass vulnerability in Jenkins Pipeline: Groovy Plugin versions 2.64 and earlier permits attackers to invoke arbitrary constructors within sandboxed scripts, thus escaping the confines of the security restrictions enforced by the sandbox.

What to do

If exploited, this vulnerability could allow an attacker to run arbitrary code in a Jenkins environment, potentially leading to unauthorized access to sensitive data or system configurations. The repercussions could be quite significant, especially if the Jenkins instance is connected to critical production environments. Update Jenkins Pipeline: Groovy Plugin to version 2.65 or later to close this loophole. Regularly review your Jenkins configurations and security settings to strengthen your defenses. Additionally, monitor for any unusual activity that could indicate exploitation attempts. You've got this! Patch your Jenkins and keep your environment secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03431 · 88.9th percentile
Published
2019-03-28T17:59Z
EPSS history
Timeline
  • 28 MAR 17:59Z
    A sandbox bypass vulnerability in Jenkins Pipeline: Groovy Plugin 2.64 and earlier allows attackers to invoke arbitrary constructors in sandboxed scripts
    cvelistv5