CVE-2018-1000008 : Security Advisory and Response
Learn about CVE-2018-1000008 affecting Jenkins PMD Plugin versions, allowing attackers to exploit XML external entities for data theft and attacks. Find mitigation steps here.
Jenkins PMD Plugin versions, including 3.49 and earlier, contain a vulnerability that allows the processing of XML external entities during the build process, potentially leading to sensitive data exposure and various attacks.
Understanding CVE-2018-1000008
This CVE involves a security flaw in Jenkins PMD Plugin versions that could be exploited by attackers with user permissions in Jenkins.
What is CVE-2018-1000008?
The vulnerability in Jenkins PMD Plugin versions, specifically 3.49 and prior, permits the interpretation of XML external entities in parsed files during the build process. This loophole enables malicious actors to access confidential information from the Jenkins master, execute server-side request forgery attacks, or launch denial-of-service attacks.
The Impact of CVE-2018-1000008
The security issue poses a significant risk as it allows unauthorized users to compromise the integrity and confidentiality of data stored in Jenkins, potentially leading to severe consequences such as data breaches and service disruptions.
Technical Details of CVE-2018-1000008
Jenkins PMD Plugin vulnerability details and affected systems.
Vulnerability Description
The vulnerability in Jenkins PMD Plugin versions, including 3.49 and earlier, arises from the mishandling of XML external entities during the build process, enabling attackers to exploit this weakness for malicious purposes.
Affected Systems and Versions
- Product: Jenkins PMD Plugin
- Vendor: N/A
- Versions: 3.49 and prior
Exploitation Mechanism
Attackers with user permissions in Jenkins can leverage the vulnerability to extract sensitive data, launch server-side request forgery attacks, or conduct denial-of-service attacks, exploiting the XML external entity processing flaw.
Mitigation and Prevention
Effective strategies to address and prevent CVE-2018-1000008.
Immediate Steps to Take
- Update Jenkins PMD Plugin to the latest version to patch the vulnerability.
- Restrict user permissions in Jenkins to minimize the risk of exploitation.
Long-Term Security Practices
- Regularly monitor and audit Jenkins configurations for security gaps.
- Educate users on secure coding practices and the importance of vulnerability management.
Patching and Updates
Ensure timely installation of security patches and updates for Jenkins PMD Plugin to mitigate the risk of exploitation.