CVE-2021-25122 (High) detected in tomcat-embed-core-9.0.36.jar, tomcat-embed-core-9.0.35.jar

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CVE-2021-25122 - High Severity Vulnerability

Vulnerable Libraries - tomcat-embed-core-9.0.36.jar, tomcat-embed-core-9.0.35.jar

tomcat-embed-core-9.0.36.jar

Core Tomcat implementation

Path to dependency file: mariadb/api/jdbc/pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.36/tomcat-embed-core-9.0.36.jar

Dependency Hierarchy:

• spring-boot-starter-web-2.3.1.RELEASE.jar (Root Library)
  • spring-boot-starter-tomcat-2.3.1.RELEASE.jar
    • ❌ tomcat-embed-core-9.0.36.jar (Vulnerable Library)

tomcat-embed-core-9.0.35.jar

Core Tomcat implementation

Path to dependency file: mariadb/api/r2dbc/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: 829536201bf7ff538ab520b02791b3d6bc3368bb

Found in base branch: master

Vulnerability Details

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

Publish Date: 2021-03-01

URL: CVE-2021-25122

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: High
  • Integrity Impact: None
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.tomcat.apache.org%3E

Release Date: 2021-03-01

Fix Resolution: org.apache.tomcat.embed:tomcat-embed-core:8.5.62,9.0.42,10.0.2;org.apache.tomcat:tomcat-coyote:8.5.62,9.0.42,10.0.2