SB2021051216 - Multiple vulnerabilities in Jenkins S3 publisher plugin

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2021-21650)

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

The vulnerability exists due to the affected plugin does not perform Run/Artifacts permission checks in various HTTP endpoints and API models. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.

2) Information disclosure (CVE-ID: CVE-2021-21651)

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

The vulnerability exists due to the affected plugin does not perform a permission check in an HTTP endpoint. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2200
• https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2201