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CVE-2021-33575 — Remote code execution in ruby-jss — CVE Details

CRITICAL

Remote code execution in ruby-jss

Published October 6, 2021Updated December 5, 2024Source: osv

Summary

The Pixar ruby-jss gem before 1.6.0 allows remote attackers to execute arbitrary code because of the Plist gem's documented behavior of using Marshal.load during XML document processing.

Advisory Timeline

  • First published October 6, 2021 (1832 days ago).
  • Last revised December 5, 2024 — 1155 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update ruby-jss to 1.6.0 or later
gem install ruby-jss -v 1.6.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
ruby-jss
rubygems
0.10.0, 0.10.0a1, 0.10.0a2, 0.10.0a3 (+62 more)1.6.0

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2021-33575?
Remote code execution in ruby-jss This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2021-33575?
CVE-2021-33575 affects ruby-jss. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-33575 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-vmfh-c547-v45h

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