CVE-2020-13935 (High) detected in tomcat-embed-websocket-8.5.14.jar

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CVE-2020-13935 - High Severity Vulnerability

Vulnerable Library - tomcat-embed-websocket-8.5.14.jar

Core Tomcat implementation

Path to dependency file: karate/karate-demo/build.gradle

Path to vulnerable library: /root/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-websocket/8.5.14/254667b21d391dac7b1bc241c24be271d772caf7/tomcat-embed-websocket-8.5.14.jar,/root/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-websocket/8.5.14/254667b21d391dac7b1bc241c24be271d772caf7/tomcat-embed-websocket-8.5.14.jar

Dependency Hierarchy:

• spring-boot-starter-web-1.5.3.RELEASE.jar (Root Library)
  • spring-boot-starter-tomcat-1.5.3.RELEASE.jar
    • ❌ tomcat-embed-websocket-8.5.14.jar (Vulnerable Library)

Vulnerability Details

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.

Publish Date: 2020-07-14

URL: CVE-2020-13935

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/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E

Release Date: 2020-07-14

Fix Resolution: org.apache.tomcat:tomcat-websocket:7.0.105,8.5.57,9.0.37,10.0.0-M7;org.apache.tomcat.embed:tomcat-embed-websocket:7.0.105,8.5.57,9.0.37,10.0.0-M7