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CVE-2021-33575: Deserialization of Untrusted Data

May 25, 2021 (updated June 1, 2021)

The Pixar ruby-jss gem allows remote attackers to execute arbitrary code because of the Plist gem’s documented behavior of using Marshal.load during XML document processing.

References

  • nvd.nist.gov/vuln/detail/CVE-2021-33575

Code Behaviors & Features

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Affected versions

All versions before 1.6.0

Fixed versions

  • 1.6.0

Solution

Upgrade to version 1.6.0 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

Source file

gem/ruby-jss/CVE-2021-33575.yml

Spotted a mistake? Edit the file on GitLab.

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