CVE-2021-21633 : Security Advisory and Response
Learn about CVE-2021-21633, a CSRF vulnerability in Jenkins OWASP Dependency-Track Plugin allowing attackers to capture Jenkins credentials via malicious requests. Find mitigation steps here.
A CSRF vulnerability in Jenkins OWASP Dependency-Track Plugin allows attackers to capture credentials stored in Jenkins by connecting to an attacker-specified URL.
Understanding CVE-2021-21633
This CVE details a vulnerability in the Jenkins OWASP Dependency-Track Plugin that can be exploited by attackers to perform cross-site request forgery attacks.
What is CVE-2021-21633?
The CVE-2021-21633 is a CSRF vulnerability in Jenkins OWASP Dependency-Track Plugin versions 1.1.0 to 3.1.0 that enables attackers to connect to a specified URL and obtain stored Jenkins credentials.
The Impact of CVE-2021-21633
The impact of this vulnerability is severe as it allows attackers to potentially compromise sensitive credentials stored within Jenkins, leading to unauthorized access and potential data breaches.
Technical Details of CVE-2021-21633
This section dives into the technical aspects of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability lies in the Jenkins OWASP Dependency-Track Plugin, specifically versions 1.1.0 to 3.1.0, where attackers can exploit CSRF to connect to a crafted URL and extract stored credentials.
Affected Systems and Versions
The affected systems include instances running Jenkins with the OWASP Dependency-Track Plugin versions 1.1.0 to 3.1.0, leaving them susceptible to CSRF attacks and credential theft.
Exploitation Mechanism
Attackers can create malicious requests that force authenticated users to unknowingly execute unwanted actions on the Jenkins server due to the lack of CSRF protection in the affected plugin.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks posed by CVE-2021-21633 and prevent potential security incidents.
Immediate Steps to Take
Immediately update the Jenkins OWASP Dependency-Track Plugin to a secure version beyond 3.1.0 to eliminate the CSRF vulnerability and protect stored credentials.
Long-Term Security Practices
Implementing robust security practices, such as regular security audits and employee training on identifying and avoiding CSRF attacks, can enhance the overall security posture.
Patching and Updates
Stay informed about security patches and updates released by Jenkins project to address known vulnerabilities like CVE-2021-21633 and enhance the security of the Jenkins environment.