Arbitrary Argument Injection Affecting rubygem-psych package, versions <0:2.0.0-35.el7_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (62nd percentile)

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  • Snyk IDSNYK-RHEL7-RUBYGEMPSYCH-4885076
  • published26 Jul 2021
  • disclosed5 Mar 2019

Introduced: 5 Mar 2019

CVE-2019-8323  (opens in a new tab)
CWE-88  (opens in a new tab)

How to fix?

Upgrade RHEL:7 rubygem-psych to version 0:2.0.0-35.el7_6 or higher.
This issue was patched in RHSA-2019:1235.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-psych package and not the rubygem-psych package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Gem::GemcutterUtilities#with_response may output the API response to stdout as it is. Therefore, if the API side modifies the response, escape sequence injection may occur.

CVSS Scores

version 3.1