Date: Wed, 11 Jul 2018 13:40:05 +0200 From: Dave Cottlehuber <dch@...che.org> To: oss-security@...ts.openwall.com Cc: security@...chdb.apache.org, security@...che.org Subject: CVE-2018-8007: Apache CouchDB administrative privilege escalation [CVEID]: CVE-2018-8007 [PRODUCT]: Apache CouchDB [VERSION]: Apache CouchDB versions up to and including 1.7.1, and 2.1.1 [PROBLEMTYPE]: Administrative Privilege Escalation [REFERENCES]: https://blog.couchdb.org/2018/07/10/cve-2018-8007/ http://mail-archives.apache.org/mod_mbox/couchdb-announce/201807.mbox/%3C1699016538.6219.1531246785603.JavaMail.Joan%40RITA%3E http://mail-archives.apache.org/mod_mbox/couchdb-announce/201807.mbox/%3c1439409216.6221.1531246856676.JavaMail.Joan@RITA%3e [DESCRIPTION]: CouchDB administrative users can configure the database server via HTTP(S). Due to insufficient validation of administrator-supplied configuration settings via the HTTP API, it is possible for a CouchDB administrator user to escalate their privileges to that of the operating system’s user that CouchDB runs under, by bypassing the blacklist of configuration settings that are not allowed to be modified via the HTTP API. This privilege escalation effectively allows an existing CouchDB admin user to gain arbitrary remote code execution, bypassing already disclosed CVE-2017-12636. Mitigation: All users should upgrade to CouchDB releases 1.7.2 or 2.1.2. Upgrades from previous 1.x and 2.x versions in the same series should be seamless. Users on earlier versions, or users upgrading from 1.x to 2.x should consult with upgrade notes. Credit This issue was discovered by Francesco Oddo of MDSec Labs. The CouchDB PMC gratefully acknowledges their support in responsibly disclosing this vulnerability. — Dave Cottlehuber dch@...che.org Sent from my Couch
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