CVE-2016-0762 (Medium) detected in tomcat-embed-core-8.0.20.jar

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CVE-2016-0762 - Medium 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 Realm implementations in Apache Tomcat versions 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder.

Publish Date: 2017-08-10

URL: CVE-2016-0762

CVSS 3 Score Details (5.9)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • 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/1872f96bad43647832bdd84a408794cd06d9cbb557af63085ca10009@%3Cannounce.tomcat.apache.org%3E

Release Date: 2017-08-10

Fix Resolution: 9.0.0.M10, 8.0.37,8.5.5, 7.0.72, 6.0.46