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CVE-2019-16255 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html	CVE	Third Party Advisory
https://hackerone.com/reports/327512	CVE	ExploitPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html	CVE
https://seclists.org/bugtraq/2019/Dec/31	CVE	Broken LinkMailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Dec/32	CVE	Broken LinkMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202003-06	CVE	Third Party Advisory
https://www.debian.org/security/2019/dsa-4587	CVE	Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2020.html	CVE	PatchThird Party Advisory
https://www.ruby-lang.org/ja/news/2019/10/01/code-injection-shell-test-cve-2019-16255/	CVE	Vendor Advisory
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-4-8-released/	CVE	Release Notes
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/	CVE	Release Notes
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/	CVE	Release Notes
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html	[email protected]	Third Party Advisory
https://hackerone.com/reports/327512	[email protected]	ExploitPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html	[email protected]
https://seclists.org/bugtraq/2019/Dec/31	[email protected]	Broken LinkMailing ListThird Party Advisory
https://seclists.org/bugtraq/2019/Dec/32	[email protected]	Broken LinkMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202003-06	[email protected]	Third Party Advisory
https://www.debian.org/security/2019/dsa-4587	[email protected]	Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2020.html	[email protected]	PatchThird Party Advisory
https://www.ruby-lang.org/ja/news/2019/10/01/code-injection-shell-test-cve-2019-16255/	[email protected]	Vendor Advisory
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-4-8-released/	[email protected]	Release Notes
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/	[email protected]	Release Notes
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/	[email protected]	Release Notes

see all 30 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-94	Improper Control of Generation of Code ('Code Injection')	[email protected]

Affected Products

Product	Versions
ruby-lang ruby	>= 2.4.0, <= 2.4.7 >= 2.5.0, <= 2.5.6 >= 2.6.0, <= 2.6.4
CPE cpe:2.3:a:ruby-lang:ruby:::::::: Remediation No remediation found in references.
debian debian linux	8.0 9.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* cpe:2.3:o:debian:debian_linux:9.0:::::::* Remediation No remediation found in references.
opensuse leap	15.1
CPE cpe:2.3:o:opensuse:leap:15.1:::::::* Remediation No remediation found in references.
oracle graalvm	19.3.0.2
CPE cpe:2.3:a:oracle:graalvm:19.3.0.2::::enterprise::: Remediation No remediation found in references.

Change History

15 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Apr 30, 2023	CVE Modified	[email protected]
Mar 3, 2023	Modified Analysis	[email protected]
Aug 24, 2020	CWE Remap	[email protected]
Aug 16, 2020	CVE Modified	[email protected]
Jul 17, 2020	Modified Analysis	[email protected]
Mar 29, 2020	CVE Modified	[email protected]
Mar 13, 2020	CVE Modified	[email protected]
Jan 15, 2020	CVE Modified	[email protected]
Dec 17, 2019	CVE Modified	[email protected]
Dec 17, 2019	CVE Modified	[email protected]
Dec 10, 2019	CVE Modified	[email protected]
Dec 9, 2019	Initial Analysis	[email protected]

CVE-2019-16255 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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