CVE-2019-1003014 : Exploit Details and Defense Strategies
Learn about CVE-2019-1003014, a cross-site scripting vulnerability in Jenkins Config File Provider Plugin version 3.4.1 and earlier. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Jenkins Config File Provider Plugin version 3.4.1 and older contain a cross-site scripting vulnerability that allows attackers to execute arbitrary JavaScript code.
Understanding CVE-2019-1003014
This CVE involves a security issue in the Jenkins Config File Provider Plugin that could be exploited by attackers to run malicious scripts.
What is CVE-2019-1003014?
CVE-2019-1003014 is a cross-site scripting vulnerability found in Jenkins Config File Provider Plugin version 3.4.1 and earlier. The flaw resides in the file src/main/resources/lib/configfiles/configfiles.jelly, enabling attackers with shared configuration file permissions to execute arbitrary JavaScript code.
The Impact of CVE-2019-1003014
The vulnerability allows malicious users to inject and execute arbitrary JavaScript code when attempting to delete a shared configuration file, potentially leading to unauthorized actions and data theft.
Technical Details of CVE-2019-1003014
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in Jenkins Config File Provider Plugin version 3.4.1 and earlier allows attackers to perform cross-site scripting attacks by injecting malicious JavaScript code.
Affected Systems and Versions
- Product: Jenkins Config File Provider Plugin
- Vendor: Jenkins project
- Versions Affected: 3.4.1 and earlier
Exploitation Mechanism
Attackers with the authority to define shared configuration files can exploit this vulnerability to execute arbitrary JavaScript code during attempts to delete a shared configuration file.
Mitigation and Prevention
Protecting systems from CVE-2019-1003014 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Jenkins Config File Provider Plugin to the latest version to patch the vulnerability.
- Monitor and restrict user permissions to prevent unauthorized access.
Long-Term Security Practices
- Regularly audit and review shared configuration files for any suspicious code.
- Educate users on safe coding practices and the risks of cross-site scripting vulnerabilities.
Patching and Updates
- Apply security patches and updates promptly to ensure the protection of Jenkins instances from known vulnerabilities.