CVE-2017-1000391 Improper Input Validation in Jenkins

What is CVE-2017-1000391?

CVE-2017-1000391 is a high-severity path traversal vulnerability in Jenkins Jenkins, published on 26 Jan 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Jenkins versions 2.88 and earlier and 2.73.2 and earlier stores metadata related to 'people', which encompasses actual user accounts, as well as users appearing in SCM, in directories corresponding to the user ID on disk. These directories used the user ID for their name without additional escaping, potentially resulting in problems like overwriting of unrelated configuration files.

Weakness: CWE-20

Which versions are affected by CVE-2017-1000391?

4 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core. It affects 1 product.

Products include Jenkins Jenkins.

How do I fix CVE-2017-1000391?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.73.3 or 2.89.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2017-1000391 being exploited?

There is no known exploitation of CVE-2017-1000391 in the wild and no public exploit code.

Other vulnerabilities in Jenkins Jenkins

• CVE-2024-23897 Jenkins Command Line Interface (CLI) Path Traversal Exploited Critical 9.8
• CVE-2018-1000861 Jenkins Stapler Web Framework Deserialization of Untrusted Data Exploited Critical 9.8
• CVE-2017-1000353 Jenkins Remote Code Execution Exploited Critical 9.8
• CVE-2015-5317 Jenkins User Interface (UI) Information Disclosure Exploited High 7.5
• CVE-2021-21690 Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins Critical 9.8

All Jenkins Jenkins vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wfj3-535m-p6fx.