Vulnerability Details CVE-2019-16255
Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows code injection if the first argument (aka the "command" argument) to Shell#[] or Shell#test in lib/shell.rb is untrusted data. An attacker can exploit this to call an arbitrary Ruby method.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.016
EPSS Ranking 81.0%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
- https://hackerone.com/reports/327512
- https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html
- https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
- https://seclists.org/bugtraq/2019/Dec/31
- https://seclists.org/bugtraq/2019/Dec/32
- https://security.gentoo.org/glsa/202003-06
- https://www.debian.org/security/2019/dsa-4587
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.ruby-lang.org/ja/news/2019/10/01/code-injection-shell-test-cve-2019-16255/
- https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-4-8-released/
- https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/
- https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
- https://hackerone.com/reports/327512
- https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html
- https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
- https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
- https://seclists.org/bugtraq/2019/Dec/31
- https://seclists.org/bugtraq/2019/Dec/32
- https://security.gentoo.org/glsa/202003-06
- https://www.debian.org/security/2019/dsa-4587
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.ruby-lang.org/ja/news/2019/10/01/code-injection-shell-test-cve-2019-16255/
- https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-4-8-released/
- https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/
- https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/
Products affected by CVE-2019-16255
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cpe:2.3:a:oracle:graalvm:19.3.0.2
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cpe:2.3:a:ruby-lang:ruby:2.4.0
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cpe:2.3:a:ruby-lang:ruby:2.4.1
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cpe:2.3:a:ruby-lang:ruby:2.4.2
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cpe:2.3:a:ruby-lang:ruby:2.4.3
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cpe:2.3:a:ruby-lang:ruby:2.4.4
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cpe:2.3:a:ruby-lang:ruby:2.4.5
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cpe:2.3:a:ruby-lang:ruby:2.4.6
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cpe:2.3:a:ruby-lang:ruby:2.4.7
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cpe:2.3:a:ruby-lang:ruby:2.5.0
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cpe:2.3:a:ruby-lang:ruby:2.5.1
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cpe:2.3:a:ruby-lang:ruby:2.5.2
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cpe:2.3:a:ruby-lang:ruby:2.5.3
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cpe:2.3:a:ruby-lang:ruby:2.5.4
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cpe:2.3:a:ruby-lang:ruby:2.5.5
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cpe:2.3:a:ruby-lang:ruby:2.5.6
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cpe:2.3:a:ruby-lang:ruby:2.6.0
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cpe:2.3:a:ruby-lang:ruby:2.6.1
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cpe:2.3:a:ruby-lang:ruby:2.6.2
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cpe:2.3:a:ruby-lang:ruby:2.6.3
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cpe:2.3:a:ruby-lang:ruby:2.6.4
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0
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cpe:2.3:o:opensuse:leap:15.1