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CVE-2020-7961: Deserialization of Untrusted Data

May 24, 2022 (updated June 23, 2022)

Deserialization of Untrusted Data in Liferay Portal prior to 7.2.1 CE GA2 allows remote attackers to execute arbitrary code via JSON web services (JSONWS).

References

  • packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html
  • packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html
  • github.com/advisories/GHSA-w7pm-cc4v-f3g8
  • nvd.nist.gov/vuln/detail/CVE-2020-7961
  • portal.liferay.dev/learn/security/known-vulnerabilities
  • portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271
  • research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/

Code Behaviors & Features

Detect and mitigate CVE-2020-7961 with GitLab Dependency Scanning

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Affected versions

All versions up to 7.2.0

Fixed versions

  • 7.2.1

Solution

Upgrade to version 7.2.1 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Source file

maven/com.liferay.portal/com.liferay.portal-kernel/CVE-2020-7961.yml

Spotted a mistake? Edit the file on GitLab.

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