CVE-2022-34177 Arbitrary file write vulnerability in Jenkins Pipeline: Input Step Plugin
Attackers can create or replace arbitrary files on the Jenkins controller by exploiting unsanitized parameter names in Pipeline input steps.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-34177?
CVE-2022-34177 is a high-severity path traversal vulnerability in Jenkins Pipeline: Input Step Plugin, published on 22 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Jenkins Pipeline: Input Step Plugin 448.v37cea_9a_10a_70 and earlier archives files uploaded for `file` parameters for Pipeline `input` steps on the controller as part of build metadata, using the parameter name without sanitization as a relative path inside a build-related directory, allowing attackers able to configure Pipelines to create or replace arbitrary files on the Jenkins controller file system with attacker-specified content.
Weakness: CWE-22
Which versions are affected by CVE-2022-34177?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:pipeline-input-step. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:pipeline-input-step Maven | All versions | 449.v77f0e8b |
org.jenkins-ci.plugins:pipeline-input-step Maven | All versions | 449.v77f0e8b |
Linux distribution packages (1)
jenkins-2-plugins Red Hat:openshift:4.9::el8 | All versions | 0:4.9.1669894222-1.el8 |
Products include Jenkins Pipeline\.
How do I fix CVE-2022-34177?
Upgrade org.jenkins-ci.plugins:pipeline-input-step to 449.v77f0e8b or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2022-34177 being exploited?
There is no known exploitation of CVE-2022-34177 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Pipeline: Input Step Plugin
- CVE-2019-1003030 Jenkins Matrix Project Plugin Remote Code Execution
- CVE-2022-43402 Jenkins Pipeline: Groovy Plugin allows sandbox protection bypass and arbitrary code execution
- CVE-2019-1003041 Sandbox bypass vulnerability in Jenkins Pipeline: Groovy Plugin
- CVE-2022-43407 CSRF protection for any URL can be bypassed in Jenkins Pipeline: Input Step Plugin
- CVE-2022-25173 Improper Neutralization of Special Elements used in an OS Command in Jenkins Pipeline: Groovy Plugin
Sources
Also known as GHSA-29q6-p2cg-4v23, RHSA-2022:9110.