Improper Input Validation Affecting rubygem-psych package, versions <0:3.0.2-104.module+el8.0.0+3250+4b7d6d43
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Test your applications- Snyk ID SNYK-CENTOS8-RUBYGEMPSYCH-1985287
- published 26 Jul 2021
- disclosed 5 Mar 2019
How to fix?
Upgrade Centos:8 rubygem-psych to version 0:3.0.2-104.module+el8.0.0+3250+4b7d6d43 or higher.
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 Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
An issue was discovered in RubyGems 2.6 and later through 3.0.2. A crafted gem with a multi-line name is not handled correctly. Therefore, an attacker could inject arbitrary code to the stub line of gemspec, which is eval-ed by code in ensure_loadable_spec during the preinstall check.