SB2020090205 - Multiple vulnerabilities in Jenkins database plugin

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Cross-site request forgery (CVE-ID: CVE-2020-2240)

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 in the database console. 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.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-2242)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the affected plugin does not perform a permission check in a method implementing form validation. A remote user with Overall/Read access can connect to an attacker-specified database server using attacker-specified username and password.

3) Cross-site request forgery (CVE-ID: CVE-2020-2241)

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

Install update from vendor's website.

References

• http://www.openwall.com/lists/oss-security/2020/09/01/3
• https://jenkins.io/security/advisory/2020-09-01/#SECURITY-1023
• https://jenkins.io/security/advisory/2020-09-01/#SECURITY-1024