CVE-2020-7021 (Medium) detected in multiple libraries

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CVE-2020-7021 - Medium Severity Vulnerability

Vulnerable Libraries - elasticsearch-5.6.10.jar, elasticsearch-6.8.3.jar, elasticsearch-6.4.2.jar

elasticsearch-5.6.10.jar

Elasticsearch subproject :core

Library home page: https://github.com/elastic/elasticsearch

Path to dependency file: cloud-pipeline/api/build.gradle

Path to vulnerable library: /home/wss-scanner/.gradle/caches/modules-2/files-2.1/org.elasticsearch/elasticsearch/5.6.10/ab7febde50a92702bbbba83db69acd75bda4b25/elasticsearch-5.6.10.jar

Dependency Hierarchy:

• transport-5.6.10.jar (Root Library)
  • ❌ elasticsearch-5.6.10.jar (Vulnerable Library)

elasticsearch-6.8.3.jar

Elasticsearch subproject :server

Library home page: https://github.com/elastic/elasticsearch

Path to dependency file: cloud-pipeline/elasticsearch-agent/build.gradle

Path to vulnerable library: canner/.gradle/caches/modules-2/files-2.1/org.elasticsearch/elasticsearch/6.8.3/f5b3531c307aa42060960ed2b6b9fc99918b33c9/elasticsearch-6.8.3.jar,/home/wss-scanner/.gradle/caches/modules-2/files-2.1/org.elasticsearch/elasticsearch/6.8.3/f5b3531c307aa42060960ed2b6b9fc99918b33c9/elasticsearch-6.8.3.jar

Dependency Hierarchy:

• transport-6.8.3.jar (Root Library)
  • transport-netty4-client-5.6.9.jar
    • ❌ elasticsearch-6.8.3.jar (Vulnerable Library)

elasticsearch-6.4.2.jar

Elasticsearch subproject :server

Library home page: https://github.com/elastic/elasticsearch

Path to dependency file: cloud-pipeline/billing-report-agent/build.gradle

Path to vulnerable library: /home/wss-scanner/.gradle/caches/modules-2/files-2.1/org.elasticsearch/elasticsearch/6.4.2/29a4003b7e28ae8d8896041e2e16caa7c4272ee3/elasticsearch-6.4.2.jar,canner/.gradle/caches/modules-2/files-2.1/org.elasticsearch/elasticsearch/6.4.2/29a4003b7e28ae8d8896041e2e16caa7c4272ee3/elasticsearch-6.4.2.jar

Dependency Hierarchy:

• ❌ elasticsearch-6.4.2.jar (Vulnerable Library)

Found in HEAD commit: 1db3170e0bd699acd5fec6e3fcebfa68fe86edcf

Found in base branch: develop

Vulnerability Details

Elasticsearch versions before 7.10.0 and 6.8.14 have an information disclosure issue when audit logging and the emit_request_body option is enabled. The Elasticsearch audit log could contain sensitive information such as password hashes or authentication tokens. This could allow an Elasticsearch administrator to view these details.

Publish Date: 2021-02-10

URL: CVE-2020-7021

CVSS 3 Score Details (4.9)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://discuss.elastic.co/t/elastic-stack-7-11-0-and-6-8-14-security-update/263915

Release Date: 2021-02-10

Fix Resolution: org.elasticsearch:elasticsearch:6.8.14;7.10.0