CVE-2017-7660

Description

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.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• http://mail-archives.us.apache.org/mod_mbox/www-announce/201707.mbox/%3CCAOOKt53EgrybaD%2BiSn-nBbvFdse-szhg%3DhMoDZuvUvyMme-Z%3Dg%40mail.gmail.com%3E
• http://www.securityfocus.com/bid/99485
• https://security.netapp.com/advisory/ntap-20181127-0003/
• https://nvd.nist.gov/vuln/detail/CVE-2017-7660
• https://issues.apache.org/jira/browse/SOLR-10624
• https://lists.apache.org/thread/o0g7vpz5sz4yy0pyf1z94vkpv40x6h44
• https://security.netapp.com/advisory/ntap-20181127-0003
• https://security-tracker.debian.org/tracker/CVE-2017-7660

CWEs

CWE-287