CVE-2020-7238 (High) detected in netty-codec-http-4.1.42.Final.jar

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CVE-2020-7238 - High Severity Vulnerability

Vulnerable Library - netty-codec-http-4.1.42.Final.jar

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

Path to vulnerable library: hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-csi/target/lib/netty-codec-http-4.1.42.Final.jar

Dependency Hierarchy:

• ❌ netty-codec-http-4.1.42.Final.jar (Vulnerable Library)

Vulnerability Details

Netty 4.1.43.Final allows HTTP Request Smuggling because it mishandles Transfer-Encoding whitespace (such as a [space]Transfer-Encoding:chunked line) and a later Content-Length header. This issue exists because of an incomplete fix for CVE-2019-16869.

Publish Date: 2020-01-27

URL: CVE-2020-7238

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: High
  • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: netty/netty#9861

Release Date: 2020-01-27

Fix Resolution: io.netty:netty-all:4.1.44.Final;io.netty:netty-codec-http:4.1.44.Final