CVE-2018-1000862 Exposure of Sensitive Information to an Unauthorized Actor in Jenkins

What is CVE-2018-1000862?

CVE-2018-1000862 is a medium-severity vulnerability in Jenkins Jenkins, published on 10 Dec 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An information exposure vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in DirectoryBrowserSupport.java that allows attackers with the ability to control build output to browse the file system on agents running builds beyond the duration of the build using the workspace browser.

Weakness: CWE-200

Which versions are affected by CVE-2018-1000862?

4 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core. It affects 2 products.

Products include Jenkins Jenkins, Redhat Openshift Container Platform.

How do I fix CVE-2018-1000862?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.138.4 or 2.154.

Is CVE-2018-1000862 being exploited?

There is no known exploitation of CVE-2018-1000862 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-hph9-9vcq-f7gp.