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Elasticsearch_Mitigation.md

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Elasticsearch Transport Protocol Unspecified Remote Code Execution Mitigation

Vulnerability ID: 105752

  • Severity: Critical
  • Affected System: Metasploitable3
  • Description: This vulnerability allows a remote attacker to execute arbitrary code on the system, caused by an error in the transport protocol. An attacker could exploit this vulnerability to execute arbitrary code on the system.

Mitigation Steps

  1. Upgrade Elasticsearch:

    • Upgrade to a secure version: 1.6.1 or 1.7.0.
    • If these versions are not compatible with your environment, consider upgrading to the latest stable release to address security flaws.

  2. Network Access Control:

    • Restrict access to the Elasticsearch transport protocol to trusted internal networks only.
    • Set up firewall rules to limit access to the port 9200 used by Elasticsearch to internal IPs only.

  3. Enable Transport Layer Security (TLS):

    • Configure TLS to encrypt communications between Elasticsearch nodes and protect against unauthorized access.

  4. Monitor and Log Traffic:

    • Enable logging and monitor network traffic to detect any unauthorized access or unusual activity.

Additional Recommendations

  • Use a Web Application Firewall (WAF) to provide an additional layer of security.
  • Regularly update Elasticsearch and related software to the latest versions.

Screenshot:
Elasticsearch Vulnerability