A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to 2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior to 2.0.39.Final.
CVE-2021-3597 - 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. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to 2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior to 2.0.39.Final.
Publish Date: 2022-05-24
URL: CVE-2021-3597
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://bugzilla.redhat.com/show_bug.cgi?id=1970930
Release Date: 2022-05-24
Fix Resolution: io.undertow:undertow-core:2.0.39.Final,2.2.9.Final,2.0.35.SP1,2.2.6.SP1