CVE-2021-21342 (High) detected in xstream-1.4.12.jar - autoclosed

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CVE-2021-21342 - High Severity Vulnerability

Vulnerable Library - xstream-1.4.12.jar

XStream is a serialization library from Java objects to XML and back.

Library home page: http://x-stream.github.io

Path to dependency file: ready-mqtt-plugin/pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/com/thoughtworks/xstream/xstream/1.4.12/xstream-1.4.12.jar

Dependency Hierarchy:

• ready-api-soapui-pro-3.3.1.jar (Root Library)
  • ready-api-soapui-3.3.1.jar
    • ❌ xstream-1.4.12.jar (Vulnerable Library)

Found in base branch: master

Vulnerability Details

XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability where the processed stream at unmarshalling time contains type information to recreate the formerly written objects. XStream creates therefore new instances based on these type information. An attacker can manipulate the processed input stream and replace or inject objects, that result in a server-side forgery request. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.

Publish Date: 2021-03-23

URL: CVE-2021-21342

CVSS 3 Score Details (9.1)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: GHSA-hvv8-336g-rx3m

Release Date: 2021-03-23

Fix Resolution: com.thoughtworks.xstream:xstream:1.4.16

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✔️ This issue was automatically closed by WhiteSource because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the WhiteSource inventory.