CVE-2017-1000402 : Vulnerability Insights and Analysis
Learn about CVE-2017-1000402, a vulnerability in Jenkins Swarm Plugin Client versions 3.4 and earlier that allowed man-in-the-middle attacks due to SSL certificate verification issues. Find mitigation steps and prevention measures.
In versions 3.4 and earlier, the Jenkins Swarm Plugin Client included an outdated edition of the commons-httpclient library, leading to a vulnerability known as CVE-2012-6153. This flaw exposed the plugin to man-in-the-middle attacks.
Understanding CVE-2017-1000402
The Jenkins Swarm Plugin Client version 3.4 and below contained a security vulnerability due to an outdated commons-httpclient library.
What is CVE-2017-1000402?
CVE-2017-1000402 is a vulnerability in the Jenkins Swarm Plugin Client that allowed for man-in-the-middle attacks due to improper SSL certificate verification.
The Impact of CVE-2017-1000402
The vulnerability in CVE-2017-1000402 could be exploited by attackers to intercept sensitive data transmitted by the Jenkins Swarm Plugin Client, compromising the integrity and confidentiality of the communication.
Technical Details of CVE-2017-1000402
The technical aspects of the CVE-2017-1000402 vulnerability are as follows:
Vulnerability Description
The Jenkins Swarm Plugin Client version 3.4 and earlier bundled an insecure version of the commons-httpclient library, making SSL certificate verification susceptible to exploitation.
Affected Systems and Versions
- Product: Jenkins Swarm Plugin Client
- Vendor: N/A
- Versions Affected: 3.4 and earlier
Exploitation Mechanism
The vulnerability in CVE-2017-1000402 could be exploited by malicious actors to perform man-in-the-middle attacks, intercepting and tampering with data transmitted by the plugin.
Mitigation and Prevention
To address CVE-2017-1000402, consider the following mitigation strategies:
Immediate Steps to Take
- Upgrade the Jenkins Swarm Plugin Client to a version that includes a patched commons-httpclient library.
- Monitor network traffic for any signs of unauthorized access or data interception.
Long-Term Security Practices
- Regularly update software components and libraries to prevent the exploitation of known vulnerabilities.
- Implement secure communication protocols and encryption mechanisms to protect data in transit.
Patching and Updates
- Stay informed about security advisories and patches released by Jenkins to address vulnerabilities like CVE-2017-1000402.