CVE-2018-12557

An issue was discovered in Zuul 3.x before 3.1.0

published June 19, 2018

CVSS
—
EPSS
2%
Percentile
79.0
In the wild
Unconfirmed
What it is

⚠️ If a node goes offline during the build, sensitive information could be on display! This vulnerability in Zuul 3.x (before 3.1.0) lets loop variables leak right into the console. 😱 Picture a chef who leaves the kitchen while a dish is being prepared—if the oven goes rogue, you might end up with a recipe card that unexpectedly reveals all the secret ingredients! That's what happens here when the build process has hiccups and reveals your credentials instead of keeping them safe. An attacker could potentially see sensitive loop variables printed out in the console, which is absolutely devastating if those variables contain credentials or other secrets. This unintended exposure could lead to breaches and unauthorized access, creating a nightmare scenario for anyone relying on this build process.

Put simply

Picture a chef who leaves the kitchen while a dish is being prepared—if the oven goes rogue, you might end up with a recipe card that unexpectedly reveals all the secret ingredients! That's what happens here when the build process has hiccups and reveals your credentials instead of keeping them safe. This issue arises in Zuul when the no_log attribute of a task is ignored due to nodes going offline during the build. If unreachable errors occur with loop variables, the contents are printed in the console, leading to inadvertent exposure of sensitive data.

What to do

An attacker could potentially see sensitive loop variables printed out in the console, which is absolutely devastating if those variables contain credentials or other secrets. This unintended exposure could lead to breaches and unauthorized access, creating a nightmare scenario for anyone relying on this build process. Upgrade to Zuul version 3.1.0 or later to resolve this issue. It's also advisable to review your build logs and implement additional logging controls to protect sensitive information. Always ensure you're using the latest version of your software to minimize vulnerabilities! You've got this! With a quick version update, you’ll be well on your way to securing your builds. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01853 · 79.0th percentile
Published
2018-06-19T05:00Z
EPSS history
Timeline
  • 19 JUN 05:00Z
    An issue was discovered in Zuul 3.x before 3.1.0
    cvelistv5