CVE-2018-1999006 Explained : Impact and Mitigation
Learn about CVE-2018-1999006, a vulnerability in Jenkins versions 2.132 and earlier, 2.121.1 and earlier, exposing sensitive information. Find mitigation steps and prevention measures here.
A weakness has been identified in versions 2.132 and earlier, 2.121.1 and earlier of Jenkins, specifically in the Plugin.java file. This vulnerability exposes sensitive information, enabling attackers to ascertain the exact date and time of the most recent installation or upgrade of a plugin HPI/JPI file.
Understanding CVE-2018-1999006
This CVE involves a vulnerability in Jenkins that allows attackers to determine the date and time of the most recent plugin installation or upgrade.
What is CVE-2018-1999006?
CVE-2018-1999006 is a vulnerability in Jenkins versions 2.132 and earlier, 2.121.1 and earlier, affecting the Plugin.java file. It exposes sensitive information, allowing attackers to identify the installation or upgrade date of a plugin HPI/JPI file.
The Impact of CVE-2018-1999006
The vulnerability can lead to the exposure of sensitive information, potentially compromising the security and confidentiality of data stored in Jenkins instances.
Technical Details of CVE-2018-1999006
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability in Jenkins versions 2.132 and earlier, 2.121.1 and earlier, located in the Plugin.java file, enables attackers to determine the date and time of the most recent plugin installation or upgrade.
Affected Systems and Versions
- Jenkins versions 2.132 and earlier
- Jenkins versions 2.121.1 and earlier
Exploitation Mechanism
Attackers can exploit this vulnerability to extract sensitive information regarding the installation or upgrade date of a plugin HPI/JPI file.
Mitigation and Prevention
Protecting systems from CVE-2018-1999006 requires immediate action and long-term security practices.
Immediate Steps to Take
- Update Jenkins to the latest version that includes a patch for this vulnerability.
- Monitor system logs for any suspicious activities related to plugin installations or upgrades.
Long-Term Security Practices
- Regularly review and update Jenkins plugins to ensure they are secure.
- Implement access controls and authentication mechanisms to restrict unauthorized access to Jenkins instances.
Patching and Updates
- Apply patches provided by Jenkins to address the vulnerability and prevent exploitation.