CVE-2020-11996 (High) detected in tomcat-embed-core-9.0.35.jar

[mend-bolt-for-github]

CVE-2020-11996 - High Severity Vulnerability

Vulnerable Library - tomcat-embed-core-9.0.35.jar

Core Tomcat implementation

Library home page: https://tomcat.apache.org/

Path to dependency file: activity-based-security-framework/easy-abac-demo/pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.35/tomcat-embed-core-9.0.35.jar

Dependency Hierarchy:

• spring-boot-starter-web-2.3.0.RELEASE.jar (Root Library)
  • spring-boot-starter-tomcat-2.3.0.RELEASE.jar
    • ❌ tomcat-embed-core-9.0.35.jar (Vulnerable Library)

Found in HEAD commit: cb9aa1f1165586d400b4da241ef8a658d18f653a

Found in base branch: master

Vulnerability Details

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.

Publish Date: 2020-06-26

URL: CVE-2020-11996

CVSS 3 Score Details (7.5)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://lists.apache.org/thread.html/r5541ef6b6b68b49f76fc4c45695940116da2bcbe0312ef204a00a2e0%40%3Cannounce.tomcat.apache.org%3E,http://tomcat.apache.org/security-10.html

Release Date: 2020-06-26

Fix Resolution: org.apache.tomcat:tomcat-coyote:10.0.0-M6,9.0.36,8.5.56,org.apache.tomcat.embed:org.apache.tomcat.embed:10.0.0-M6,9.0.36,8.5.56

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[gbondarchuk9]

resolved