2.13. CVE-2020-1955: Apache CouchDB Remote Privilege Escalation

19.05.2020

Affected

3.0.0

Severity

Vendor

The Apache Software Foundation

CouchDB version 3.0.0 shipped with a new configuration setting that governs access control to the entire database server called require_valid_user_except_for_up. It was meant as an extension to the long-standing setting require_valid_user, which in turn requires that any and all requests to CouchDB will have to be made with valid credentials, effectively forbidding any anonymous requests.

The new require_valid_user_except_for_up is an off-by-default setting that was meant to allow requiring valid credentials for all endpoints except for the /_up endpoint.

CouchDB versions 3.0.1 and fix this issue.

Users who have not enabled require_valid_user_except_for_up are not affected.

Users who have it enabled can either disable it again, or upgrade to CouchDB versions 3.0.1 and

This issue was discovered by Stefan Klein.