CVE-2020-7020 (Low) detected in multiple libraries

[mend-for-github-com]

CVE-2020-7020 - Low Severity Vulnerability

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

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)

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-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)

Found in HEAD commit: 1db3170e0bd699acd5fec6e3fcebfa68fe86edcf

Found in base branch: develop

Vulnerability Details

Elasticsearch versions before 6.8.13 and 7.9.2 contain a document disclosure flaw when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain complex queries. This could result in the search disclosing the existence of documents the attacker should not be able to view. This could result in an attacker gaining additional insight into potentially sensitive indices.

Publish Date: 2020-10-22

URL: CVE-2020-7020

CVSS 3 Score Details (3.1)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: Low
  • 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-7-9-3-and-6-8-13-security-update/253033

Release Date: 2020-07-21

Fix Resolution: org.elasticsearch:elasticsearch:6.8.13,7.9.3