Permissions in Jenkins can be enabled and disabled. Some permissions are disabled by default, e.g., Overall/Manage or Item/Extended Read. Disabled permissions cannot be granted directly, only through greater permissions that imply them (e.g., Overall/Administer or Item/Configure).

Role-based Authorization Strategy Plugin 587.v2872c41fa_e51 and earlier grants permissions even after they’ve been disabled.

This allows attackers to have greater access than they’re entitled to after the following operations took place:

A permission is granted to attackers directly or through groups.

The permission is disabled, e.g., through the script console.

Role-based Authorization Strategy Plugin 587.588.v850a_20a_30162 does not grant disabled permissions.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-28668
• https://www.jenkins.io/security/advisory/2023-03-21/#SECURITY-3053
• jenkinsci/role-strategy-plugin@850a20a