Date: Mon, 12 Apr 2021 16:09:58 -0500 From: Mike Drob <mdrob@...che.org> To: oss-security@...ts.openwall.com Subject: CVE-2021-29262: Apache Solr: Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settings Description: When starting Apache Solr versions prior to 8.8.2, configured with the SaslZkACLProvider or VMParamsAllAndReadonlyDigestZkACLProvider and no existing security.json znode, if the optional read-only user is configured then Solr would not treat that node as a sensitive path and would allow it to be readable. Additionally, with any ZkACLProvider, if the security.json is already present, Solr will not automatically update the ACLs. This issue is being tracked as SOLR-15249 Mitigation: Manually set appropriate ACLs on /security.json znode. Credit: Timothy Potter and Mike Drob, Apple Cloud Services
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