SB2023121522 - Multiple vulnerabilities in Jenkins PaaSLane Estimate plugin

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Cleartext storage of sensitive information (CVE-ID: CVE-2023-50776)

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

The vulnerability exists due to the affected plugin stores PaaSLane authentication tokens unencrypted in job config.xml files on the Jenkins controller as part of its configuration. A remote user can gain access to sensitive information.

2) Improper access control (CVE-ID: CVE-2023-50779)

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

The vulnerability exists due to the affected plugin does not perform permission checks in several HTTP endpoints. A remote user can connect to an attacker-specified URL using an attacker-specified token.

3) Cross-site request forgery (CVE-ID: CVE-2023-50778)

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

The vulnerability exists due to insufficient validation of the HTTP request origin. 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.

4) Information disclosure (CVE-ID: CVE-2023-50777)

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

The vulnerability exists due to the affected plugin does not mask PaaSLane authentication tokens displayed on the job configuration form. A remote user can gain unauthorized access to sensitive information on the system.

Remediation

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

References

• https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3182
• http://www.openwall.com/lists/oss-security/2023/12/13/4
• https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3179