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RubyGems Deserialization of Untrusted Data vulnerability

High severity GitHub Reviewed Published May 14, 2022 to the GitHub Advisory Database • Updated Mar 10, 2023

Package

maven org.jruby:jruby-stdlib (Maven)

Affected versions

< 9.1.16.0

Patched versions

9.1.16.0
bundler rubygems-update (RubyGems)
< 2.7.6
2.7.6

Description

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Deserialization of Untrusted Data vulnerability in owner command that can result in code execution. This attack requires the victim to run the gem owner command on a gem with a specially crafted YAML file. This vulnerability is fixed in 2.7.6.

References

Published by the National Vulnerability Database Mar 13, 2018
Published to the GitHub Advisory Database May 14, 2022
Last updated Mar 10, 2023
Reviewed Mar 10, 2023

Severity

High
7.8
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2018-1000074

GHSA ID

GHSA-qj2w-mw2r-pv39

Source code

No known source code
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