CVE-2022-36890 : What You Need to Know

A vulnerability has been identified in Jenkins Deployer Framework Plugin that could allow attackers to check for the existence of a specific file path on the Jenkins controller file system.

Understanding CVE-2022-36890

This vulnerability affects Jenkins Deployer Framework Plugin versions up to 85.v1d1888e8c021, exposing a security flaw that allows unauthorized file path checks.

What is CVE-2022-36890?

Jenkins Deployer Framework Plugin versions prior to 85.v1d1888e8c021 do not properly restrict file names in form validation methods, enabling attackers with Item/Read permissions to verify the presence of a specified file path on the Jenkins controller file system.

The Impact of CVE-2022-36890

This vulnerability could be exploited by malicious actors to gather sensitive information or possibly disrupt the Jenkins controller by probing for specific file paths, posing a potential security risk to the system.

Technical Details of CVE-2022-36890

The technical details of CVE-2022-36890 provide insights into the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

Jenkins Deployer Framework Plugin versions up to 85.v1d1888e8c021 lack proper file name restrictions in form validation, enabling attackers with specific permissions to conduct unauthorized file path checks on the Jenkins controller system.

Affected Systems and Versions

The affected systems include Jenkins Deployer Framework Plugin versions up to 85.v1d1888e8c021, while version 1.3.1 remains unaffected by this security issue.

Exploitation Mechanism

Attackers with Item/Read permissions can exploit this vulnerability by leveraging methods implementing form validation to search for the existence of a specified file path on the Jenkins controller file system.

Mitigation and Prevention

To address CVE-2022-36890, it is crucial to implement immediate steps to secure affected systems and establish long-term security practices.

Immediate Steps to Take

Administrators should review and update permissions to prevent unauthorized file path checks, and monitor for any suspicious activity related to file system probing.

Long-Term Security Practices

Establishing regular security audits, providing cybersecurity training, and maintaining updated security protocols can help prevent similar vulnerabilities and enhance overall system security.

Patching and Updates

Ensure that Jenkins Deployer Framework Plugin is updated to version 1.3.1 or above to mitigate the security risk posed by CVE-2022-36890 and other potential vulnerabilities.