CVE-2021-21654 : Exploit Details and Defense Strategies
Discover the details of CVE-2021-21654 affecting Jenkins P4 Plugin 1.11.4 and earlier. Learn about the impact, technical aspects, and mitigation strategies for this security flaw.
Jenkins P4 Plugin version 1.11.4 and earlier are affected by a vulnerability that allows attackers with Overall/Read permission to connect to a specified Perforce server using specific credentials. Here is a detailed analysis of CVE-2021-21654.
Understanding CVE-2021-21654
This section provides insights into the nature of the vulnerability and its impact.
What is CVE-2021-21654?
The vulnerability in Jenkins P4 Plugin version 1.11.4 and earlier allows unauthorized users with Overall/Read permission to establish connections to a designated Perforce server using specified credentials.
The Impact of CVE-2021-21654
The security flaw enables malicious actors with limited permissions to access sensitive Perforce servers, potentially leading to unauthorized data modification or extraction.
Technical Details of CVE-2021-21654
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
Jenkins P4 Plugin versions 1.11.4 and earlier lack adequate permission verification in multiple HTTP endpoints, enabling users with restricted privileges to connect to attacker-specified Perforce servers.
Affected Systems and Versions
The affected version is specifically Jenkins P4 Plugin version 1.11.4 and earlier.
Exploitation Mechanism
Exploitation involves leveraging the absence of permission checks to connect to a predefined Perforce server with customized credentials.
Mitigation and Prevention
Outlined strategies to address and mitigate the CVE-2021-21654 vulnerability.
Immediate Steps to Take
Administrators are advised to update the Jenkins P4 Plugin to a secure version, perform credential rotations, and review access permissions.
Long-Term Security Practices
Ongoing security protocols such as regular security assessments and user access monitoring are crucial to prevent similar vulnerabilities.
Patching and Updates
Regularly applying security patches and updates ensures that system vulnerabilities are addressed promptly and effectively.