CVE-2021-3690 (High) detected in undertow-websockets-jsr-2.0.28.Final.jar

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CVE-2021-3690 - High Severity Vulnerability

Vulnerable Library - undertow-websockets-jsr-2.0.28.Final.jar

Undertow

Library home page: http://www.jboss.org/

Path to dependency file: WebGoat8/webgoat-integration-tests/pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/io/undertow/undertow-websockets-jsr/2.0.28.Final/undertow-websockets-jsr-2.0.28.Final.jar

Dependency Hierarchy:

• webwolf-v8.1.0.jar (Root Library)
  • spring-boot-starter-undertow-2.2.2.RELEASE.jar
    • ❌ undertow-websockets-jsr-2.0.28.Final.jar (Vulnerable Library)

Found in base branch: main

Vulnerability Details

A flaw was found in Undertow before 2.0.40 and 2.2.10. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.

Publish Date: 2021-08-09

URL: CVE-2021-3690

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://issues.redhat.com/browse/UNDERTOW-1935

Release Date: 2021-08-09

Fix Resolution: io.undertow:undertow-websockets-jsr:2.0.40.Final, 2.2.10.Final