{"id":"CVE-2017-7660","details":"Apache Solr uses a PKI based mechanism to secure inter-node communication when security is enabled. It is possible to create a specially crafted node name that does not exist as part of the cluster and point it to a malicious node. This can trick the nodes in cluster to believe that the malicious node is a member of the cluster. So, if Solr users have enabled BasicAuth authentication mechanism using the BasicAuthPlugin or if the user has implemented a custom Authentication plugin, which does not implement either \"HttpClientInterceptorPlugin\" or \"HttpClientBuilderPlugin\", his/her servers are vulnerable to this attack. Users who only use SSL without basic authentication or those who use Kerberos are not affected.","aliases":["GHSA-c82r-qg3w-q5mv"],"modified":"2026-07-08T16:07:20.971017Z","published":"2017-07-07T19:29:00.197Z","references":[{"type":"ADVISORY","url":"http://mail-archives.us.apache.org/mod_mbox/www-announce/201707.mbox/%3CCAOOKt53EgrybaD%2BiSn-nBbvFdse-szhg%3DhMoDZuvUvyMme-Z%3Dg%40mail.gmail.com%3E"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/99485"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20181127-0003/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/lucene-solr","events":[{"introduced":"cb922f860e8f7522287b55ea4bcd1059219bc1b3"},{"last_affected":"cd1f23c63abe03ae650c75ec8ccb37762806cc75"}],"database_specific":{"cpe":["cpe:2.3:a:apache:solr:5.3.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.3.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.3.2:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.4.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.4.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.2:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.3:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.4:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.0.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.0.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.1.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.2.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.2.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.3.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.4.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.4.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.4.2:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.5.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.5.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"5.3.0"},{"last_affected":"5.3.0"},{"introduced":"5.3.1"},{"last_affected":"5.3.1"},{"introduced":"5.3.2"},{"last_affected":"5.3.2"},{"introduced":"5.4.0"},{"last_affected":"5.4.0"},{"introduced":"5.4.1"},{"last_affected":"5.4.1"},{"introduced":"5.5.0"},{"last_affected":"5.5.0"},{"introduced":"5.5.1"},{"last_affected":"5.5.1"},{"introduced":"5.5.2"},{"last_affected":"5.5.2"},{"introduced":"5.5.3"},{"last_affected":"5.5.3"},{"introduced":"5.5.4"},{"last_affected":"5.5.4"},{"introduced":"6.0.0"},{"last_affected":"6.0.0"},{"introduced":"6.0.1"},{"last_affected":"6.0.1"},{"introduced":"6.1.0"},{"last_affected":"6.1.0"},{"introduced":"6.2.0"},{"last_affected":"6.2.0"},{"introduced":"6.2.1"},{"last_affected":"6.2.1"},{"introduced":"6.3.0"},{"last_affected":"6.3.0"},{"introduced":"6.4.0"},{"last_affected":"6.4.0"},{"introduced":"6.4.1"},{"last_affected":"6.4.1"},{"introduced":"6.4.2"},{"last_affected":"6.4.2"},{"introduced":"6.5.0"},{"last_affected":"6.5.0"},{"introduced":"6.5.1"},{"last_affected":"6.5.1"}],"source":"CPE_STRING"}}],"versions":["5.3.0","5.3.1","5.3.2","5.4.0","5.4.1","5.5.0","5.5.1","5.5.2","5.5.3","5.5.4","6.0.0","6.0.1","6.1.0","6.2.0","6.2.1","6.3.0","6.4.0","6.4.1","6.4.2","6.5.0","6.5.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7660.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/apache/solr","events":[{"introduced":"cb922f860e8f7522287b55ea4bcd1059219bc1b3"},{"last_affected":"cd1f23c63abe03ae650c75ec8ccb37762806cc75"}],"database_specific":{"cpe":["cpe:2.3:a:apache:solr:5.3.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.3.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.3.2:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.4.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.4.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.2:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.3:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:5.5.4:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.0.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.0.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.1.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.2.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.2.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.3.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.4.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.4.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.4.2:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.5.0:*:*:*:*:*:*:*","cpe:2.3:a:apache:solr:6.5.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"5.3.0"},{"last_affected":"5.3.0"},{"introduced":"5.3.1"},{"last_affected":"5.3.1"},{"introduced":"5.3.2"},{"last_affected":"5.3.2"},{"introduced":"5.4.0"},{"last_affected":"5.4.0"},{"introduced":"5.4.1"},{"last_affected":"5.4.1"},{"introduced":"5.5.0"},{"last_affected":"5.5.0"},{"introduced":"5.5.1"},{"last_affected":"5.5.1"},{"introduced":"5.5.2"},{"last_affected":"5.5.2"},{"introduced":"5.5.3"},{"last_affected":"5.5.3"},{"introduced":"5.5.4"},{"last_affected":"5.5.4"},{"introduced":"6.0.0"},{"last_affected":"6.0.0"},{"introduced":"6.0.1"},{"last_affected":"6.0.1"},{"introduced":"6.1.0"},{"last_affected":"6.1.0"},{"introduced":"6.2.0"},{"last_affected":"6.2.0"},{"introduced":"6.2.1"},{"last_affected":"6.2.1"},{"introduced":"6.3.0"},{"last_affected":"6.3.0"},{"introduced":"6.4.0"},{"last_affected":"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