CVE-2021-41079 (High) detected in tomcat-embed-core-9.0.26.jar

[mend-bolt-for-github]

CVE-2021-41079 - High Severity Vulnerability

Vulnerable Library - tomcat-embed-core-9.0.26.jar

Core Tomcat implementation

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

Path to dependency file: /build.gradle

Path to vulnerable library: /root/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-core/9.0.26/6312ba542bc58fa9ee789a43516ce4d862548a6b/tomcat-embed-core-9.0.26.jar,/root/.gradle/caches/modules-2/files-2.1/org.apache.tomcat.embed/tomcat-embed-core/9.0.26/6312ba542bc58fa9ee789a43516ce4d862548a6b/tomcat-embed-core-9.0.26.jar

Dependency Hierarchy:

• spring-boot-starter-web-2.1.9.RELEASE.jar (Root Library)
  • spring-boot-starter-tomcat-2.1.9.RELEASE.jar
    • ❌ tomcat-embed-core-9.0.26.jar (Vulnerable Library)

Vulnerability Details

Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.

Publish Date: 2021-09-16

URL: CVE-2021-41079

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://tomcat.apache.org/security-10.html

Release Date: 2021-09-16

Fix Resolution (org.apache.tomcat.embed:tomcat-embed-core): 9.0.44

Direct dependency fix Resolution (org.springframework.boot:spring-boot-starter-web): 2.3.10.RELEASE

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