CVE-2020-2208 : Security Advisory and Response
Learn about CVE-2020-2208 affecting Jenkins Slack Upload Plugin 1.7 and earlier versions. Discover the impact, affected systems, exploitation, and mitigation steps.
Jenkins Slack Upload Plugin 1.7 and earlier versions store a secret unencrypted in job config.xml files, potentially exposing it to unauthorized users.
Understanding CVE-2020-2208
This CVE involves a vulnerability in the Jenkins Slack Upload Plugin that could lead to the exposure of sensitive information.
What is CVE-2020-2208?
Jenkins Slack Upload Plugin 1.7 and earlier versions store a secret unencrypted in job config.xml files on the Jenkins master, allowing users with Extended Read permission or file system access to view it.
The Impact of CVE-2020-2208
The vulnerability could result in unauthorized access to sensitive information, potentially leading to data breaches or unauthorized system modifications.
Technical Details of CVE-2020-2208
The technical aspects of the CVE provide insight into the vulnerability and its implications.
Vulnerability Description
The Jenkins Slack Upload Plugin vulnerability allows secrets to be stored in an unencrypted manner in job config.xml files, posing a security risk.
Affected Systems and Versions
- Product: Jenkins Slack Upload Plugin
- Vendor: Jenkins project
- Versions Affected: 1.7 and earlier
Exploitation Mechanism
Unauthorized users with Extended Read permission or access to the Jenkins master file system can exploit this vulnerability to view the unencrypted secret.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2020-2208.
Immediate Steps to Take
- Upgrade to a patched version of the Jenkins Slack Upload Plugin that addresses the vulnerability.
- Restrict access to job config.xml files to authorized personnel only.
Long-Term Security Practices
- Regularly review and update access control policies within Jenkins to limit exposure of sensitive information.
- Implement encryption mechanisms for storing secrets to prevent unauthorized access.
Patching and Updates
- Stay informed about security advisories and updates from Jenkins project to apply patches promptly and enhance system security.