CVE-2017-5664 (High) detected in tomcat-embed-core-8.0.20.jar

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CVE-2017-5664 - High Severity Vulnerability

Vulnerable Library - tomcat-embed-core-8.0.20.jar

Core Tomcat implementation

Dependency Hierarchy:

• spring-boot-starter-tomcat-1.2.3.RELEASE.jar (Root Library)
  • :x: tomcat-embed-core-8.0.20.jar (Vulnerable Library)

Found in HEAD commit: 02e23e894c65d5a9ac94fe97a3b06758376ae333

Vulnerability Details

The error page mechanism of the Java Servlet Specification requires that, when an error occurs and an error page is configured for the error that occurred, the original request and response are forwarded to the error page. This means that the request is presented to the error page with the original HTTP method. If the error page is a static file, expected behaviour is to serve content of the file as if processing a GET request, regardless of the actual HTTP method. The Default Servlet in Apache Tomcat 9.0.0.M1 to 9.0.0.M20, 8.5.0 to 8.5.14, 8.0.0.RC1 to 8.0.43 and 7.0.0 to 7.0.77 did not do this. Depending on the original request this could lead to unexpected and undesirable results for static error pages including, if the DefaultServlet is configured to permit writes, the replacement or removal of the custom error page. Notes for other user provided error pages: (1) Unless explicitly coded otherwise, JSPs ignore the HTTP method. JSPs used as error pages must must ensure that they handle any error dispatch as a GET request, regardless of the actual method. (2) By default, the response generated by a Servlet does depend on the HTTP method. Custom Servlets used as error pages must ensure that they handle any error dispatch as a GET request, regardless of the actual method.

Publish Date: 2017-06-06

URL: CVE-2017-5664

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: High
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5664

Release Date: 2017-06-06

Fix Resolution: org.apache.tomcat.embed:tomcat-embed-core:9.0.0.M21,8.5.15,8.0.44,7.0.78,org.apache.tomcat:tomcat-catalina:9.0.0.M21,8.5.15,8.0.44,7.0.78