Deserialization of Untrusted Data Affecting ruby2.3 package, versions <2.3.3-1+deb9u3


0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 2.16% (90th percentile)
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NVD
7.8 high
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SUSE
7.8 high
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Red Hat
7.8 high

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  • Snyk ID SNYK-DEBIAN9-RUBY23-308584
  • published 13 Mar 2018
  • disclosed 13 Mar 2018

How to fix?

Upgrade Debian:9 ruby2.3 to version 2.3.3-1+deb9u3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby2.3 package and not the ruby2.3 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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 appear to be exploitable via victim must run the gem owner command on a gem with a specially crafted YAML file. This vulnerability appears to have been fixed in 2.7.6.