SB2019121909 - Multiple vulnerabilities in Team Concert plugin for Jenkins

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2019-16567)

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to the functionality, which provides a list of applicable credential IDs to allow users configuring the plugin to select the one to use, does not correctly check permissions. A remote user with Overall/Read permission can get a list of valid credentials IDs.

2) Improper access control (CVE-ID: CVE-2019-16566)

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected software does not perform permission checks on a method implementing form validation. A remote user with Overall/Read access can connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

3) Cross-site request forgery (CVE-ID: CVE-2019-16565)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to the form validation method does not require POST requests. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://jenkins.io/security/advisory/2019-12-17/#SECURITY-1605%20(2)
• https://jenkins.io/security/advisory/2019-12-17/#SECURITY-1605%20(1)