CVE-2022-41237

Jenkins DotCi Plugin 2.40.00 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code…

Critical · published September 21, 2022

CVSS v3.1
9.8
EPSS
2%
Percentile
76.8
In the wild
Unconfirmed
What it is

🔥 A tiny misconfiguration in the Jenkins DotCi Plugin's YAML parser could let attackers execute arbitrary code, effectively handing them the keys to your server! Think of it like a recipe book that doesn't check if the ingredients listed are safe — you could accidentally mix in something toxic, leading to a disastrous feast. In this case, the YAML parser is dangerously open to just about anything an attacker wants to throw in the pot. An attacker could exploit this vulnerability to run any code they choose on your Jenkins server, potentially leading to data breaches, system takeovers, or even complete destruction of your CI/CD pipeline. The consequences could be absolutely devastating, wreaking havoc on your software development process.

Put simply

Think of it like a recipe book that doesn't check if the ingredients listed are safe — you could accidentally mix in something toxic, leading to a disastrous feast. In this case, the YAML parser is dangerously open to just about anything an attacker wants to throw in the pot. This vulnerability occurs because the Jenkins DotCi Plugin 2.40.00 and earlier allows the YAML parser to instantiate arbitrary types, which can be exploited for remote code execution (RCE).

What to do

An attacker could exploit this vulnerability to run any code they choose on your Jenkins server, potentially leading to data breaches, system takeovers, or even complete destruction of your CI/CD pipeline. The consequences could be absolutely devastating, wreaking havoc on your software development process. To mitigate this risk, immediately update the Jenkins DotCi Plugin to version 2.40.01 or higher. Additionally, review your Jenkins configuration to ensure that no vulnerable components remain, and conduct a security assessment of your pipelines. You've got this! Keep your Jenkins environment secure and updated, and you’ll maintain the superhero status of your development team! 🦸‍♂️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01684 · 76.8th percentile
Published
2022-09-21T15:45Z
EPSS history
Timeline
  • 21 SEP 15:45Z
    Jenkins DotCi Plugin 2.40.00 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code…
    cvelistv5