CVE-2023-44487 (High) detected in netty-codec-http2-4.1.34.Final.jar

[mend-bolt-for-github]

CVE-2023-44487 - High Severity Vulnerability

Vulnerable Library - netty-codec-http2-4.1.34.Final.jar

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients.

Library home page: http://netty.io/

Path to dependency file: /spring-distributed-tracing/admin-server/pom.xml

Path to vulnerable library: /root/.m2/repository/io/netty/netty-codec-http2/4.1.34.Final/netty-codec-http2-4.1.34.Final.jar

Dependency Hierarchy:

• spring-boot-admin-starter-server-2.1.4.jar (Root Library)
  • spring-boot-admin-server-2.1.4.jar
    • spring-boot-starter-webflux-2.1.4.RELEASE.jar
      • spring-boot-starter-reactor-netty-2.1.4.RELEASE.jar
        • reactor-netty-0.8.6.RELEASE.jar
          • ❌ netty-codec-http2-4.1.34.Final.jar (Vulnerable Library)

Found in base branch: master

Vulnerability Details

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Publish Date: 2023-10-10

URL: CVE-2023-44487

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://www.cve.org/CVERecord?id=CVE-2023-44487

Release Date: 2023-10-10

Fix Resolution (io.netty:netty-codec-http2): 4.1.100.Final

Direct dependency fix Resolution (de.codecentric:spring-boot-admin-starter-server): 3.2.0

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