CVE-2021-20190 (High) detected in jackson-databind-2.9.7.jar

[mend-bolt-for-github]

CVE-2021-20190 - High Severity Vulnerability

Vulnerable Library - jackson-databind-2.9.7.jar

General data-binding functionality for Jackson: works on core streaming API

Library home page: http://github.com/FasterXML/jackson

Path to dependency file: /infra_github/pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.9.7/jackson-databind-2.9.7.jar

Dependency Hierarchy:

• logstash-logback-encoder-5.2.jar (Root Library)
  • ❌ jackson-databind-2.9.7.jar (Vulnerable Library)

Found in HEAD commit: c4df20bed09f352c5530e845988802894bff86ae

Found in base branch: master

Vulnerability Details

A flaw was found in jackson-databind before 2.9.10.7. FasterXML mishandles the interaction between serialization gadgets and typing. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Publish Date: 2021-01-19

URL: CVE-2021-20190

CVSS 3 Score Details (8.1)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2021-01-19

Fix Resolution (com.fasterxml.jackson.core:jackson-databind): 2.9.10.7

Direct dependency fix Resolution (net.logstash.logback:logstash-logback-encoder): 6.3

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