CVE-2016-6817 High Severity Vulnerability detected by WhiteSource

[mend-bolt-for-github]

CVE-2016-6817 - High Severity Vulnerability

Vulnerable Library - tomcat-embed-core-8.5.4.jar

Core Tomcat implementation

path: /root/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.5.4/tomcat-embed-core-8.5.4.jar

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

Dependency Hierarchy:

• spring-boot-starter-web-1.4.0.RELEASE.jar (Root Library)
  • spring-boot-starter-tomcat-1.4.0.RELEASE.jar
    • ❌ tomcat-embed-core-8.5.4.jar (Vulnerable Library)

Vulnerability Details

The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.

Publish Date: 2017-08-10

URL: CVE-2016-6817

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: http://www.securitytracker.com/id/1037330

Release Date: 2017-12-31

Fix Resolution: The vendor has issued a fix (8.5.8, 9.0.0.M13).

The vendor advisories are available at:

http://tomcat.apache.org/security-8.html
http://tomcat.apache.org/security-9.html

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