A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final.
CVE-2021-3629 - Medium Severity Vulnerability
Vulnerable Library - undertow-core-2.2.4.Final.jar
Path to dependency file: /webgoat-integration-tests/pom.xml
Path to vulnerable library: /home/wss-scanner/.m2/repository/io/undertow/undertow-core/2.2.4.Final/undertow-core-2.2.4.Final.jar
Dependency Hierarchy: - webwolf-8.2.1-SNAPSHOT.jar (Root Library) - spring-boot-starter-undertow-2.4.3.jar - :x: **undertow-core-2.2.4.Final.jar** (Vulnerable Library)
Found in HEAD commit: 3f40aaa55b2c1a3432a061c27496ea82f484838a
Found in base branch: develop
Vulnerability Details
A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final.
Publish Date: 2022-05-24
URL: CVE-2021-3629
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: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://www.cve.org/CVERecord?id=CVE-2021-3629
Release Date: 2022-05-24
Fix Resolution: io.undertow:undertow-core:2.0.40.Final,2.2.11.Final;io.undertow:undertow-benchmarks:2.0.40.Final,2.2.11.Final;io.undertow:undertow-examples:2.0.40.Final,2.2.11.Final