The Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to bypass the sandbox protection mechanism and execute arbitrary shell commands via a crafted script.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-1427
• https://access.redhat.com/errata/RHSA-2017:0868
• https://exchange.xforce.ibmcloud.com/vulnerabilities/100850
• https://www.elastic.co/community/security/
• http://packetstormsecurity.com/files/130368/Elasticsearch-1.3.7-1.4.2-Sandbox-Escape-Command-Execution.html
• http://packetstormsecurity.com/files/130784/ElasticSearch-Unauthenticated-Remote-Code-Execution.html
• http://www.elasticsearch.com/blog/elasticsearch-1-4-3-1-3-8-released/