CVE-2018-1000112: Incorrect Authorization in Jenkins Mercurial Plugin
Summary
CVE-2018-1000112: Incorrect Authorization in Jenkins Mercurial Plugin. Affects org.jenkins-ci.plugins:mercurial versions < 2.3. Fixed in 2.3. How to fix ↓
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Background
The Jenkins Mercurial Plugin is a Maven package that provides integration between Jenkins and the Mercurial version control system. It allows users to configure Jenkins jobs to interact with Mercurial repositories, enabling automated build and deployment processes. The plugin facilitates tasks such as checking out code, updating repositories, and retrieving version information. However, versions 2.2 and earlier of the plugin are susceptible to an improper authorization vulnerability.
Vulnerability Detail
The vulnerability, identified as CVE-2018-1000112, originates from an issue in the MercurialStatus.java file within the Jenkins Mercurial Plugin. It allows an attacker with network access to obtain a list of nodes and users. This unauthorized access can potentially lead to the exposure of sensitive information and compromise the security of the Jenkins environment. The vulnerability has a CVSS score of 5.3, indicating a moderate severity level.
How To Fix
Minimum fixed version
2.3
This is the first release that contains the fix.
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Workaround
As a temporary workaround, users can disable the Jenkins Mercurial Plugin if it is not essential for their current workflows. Disabling the plugin will prevent potential exploitation of the vulnerability. However, this workaround may impact any existing jobs or processes that rely on the plugin's functionality.
Conclusion
In conclusion, the Jenkins Mercurial Plugin version 2.2 and earlier are affected by an improper authorization vulnerability that allows unauthorized access to a list of nodes and users. To mitigate this vulnerability, it is crucial to update the plugin to version 2.3 or later. Disabling the plugin temporarily can also serve as a workaround. For more information and assistance, please contact DevNack.com.
See every vulnerability recorded for org.jenkins-ci.plugins:mercurial →
FAQ
The vulnerability allows unauthorized access to a list of nodes and users, potentially exposing sensitive information and compromising the security of the Jenkins environment.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your Jenkins installation is affected by this vulnerability. Simply enter your pom.xml file and the playground will provide real-time alerts for open-source vulnerabilities, including this one.
Yes, updating the Jenkins Mercurial Plugin to version 2.3 or later will fix this vulnerability. Make sure to download the latest version from the official Jenkins website or through the Jenkins plugin manager.
Yes, disabling the Jenkins Mercurial Plugin can serve as a temporary workaround to prevent potential exploitation of the vulnerability. However, this may impact any existing jobs or processes that rely on the plugin's functionality.
For more information about this vulnerability, you can refer to the CVE-2018-1000112 entry or reach out to info@devnack.com for further support on vulnerability remediation.
References
Related vulnerabilities
Recent vulnerabilities recorded for org.jenkins-ci.plugins:mercurial.
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