CVE-2020-7238 (High) detected in netty-all-4.0.43.Final.jar

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CVE-2020-7238 - High Severity Vulnerability

Vulnerable Library - netty-all-4.0.43.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: /build.gradle

Path to vulnerable library: /home/wss-scanner/.gradle/caches/modules-2/files-2.1/io.netty/netty-all/4.0.43.Final/9781746a179070e886e1fb4b1971a6bbf02061a4/netty-all-4.0.43.Final.jar

Dependency Hierarchy:

• spark-sql_2.11-2.2.3.jar (Root Library)
  • spark-core_2.11-2.2.3.jar
    • ❌ netty-all-4.0.43.Final.jar (Vulnerable Library)

Found in HEAD commit: b23ac4a35a28378635d7eef881077d376557bfc5

Found in base branch: master

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

Release Date: 2020-01-27

Fix Resolution (io.netty:netty-all): 4.1.44.Final

Direct dependency fix Resolution (org.apache.spark:spark-sql_2.11): 2.3.0

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⛑️ Automatic Remediation will be attempted for this issue.