Vulnerability Monitor

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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.

Published

2019-11-26T18:15:15.303

Last Modified

2024-11-21T04:30:24.033

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-94

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ruby-lang	ruby	≤ 2.4.7	Yes
Application	ruby-lang	ruby	≤ 2.5.6	Yes
Application	ruby-lang	ruby	≤ 2.6.4	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	opensuse	leap	15.1	Yes
Application	oracle	graalvm	19.3.0.2	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html Third Party Advisory ([email protected])
https://hackerone.com/reports/327512 Exploit, Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html ([email protected])
https://seclists.org/bugtraq/2019/Dec/31 Broken Link, Mailing List, Third Party Advisory ([email protected])
https://seclists.org/bugtraq/2019/Dec/32 Broken Link, Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202003-06 Third Party Advisory ([email protected])
https://www.debian.org/security/2019/dsa-4587 Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpujan2020.html Patch, Third Party Advisory ([email protected])
https://www.ruby-lang.org/ja/news/2019/10/01/code-injection-shell-test-cve-2019-16255/ Vendor Advisory ([email protected])
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-4-8-released/ Release Notes ([email protected])
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/ Release Notes ([email protected])
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/ Release Notes ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/327512 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Dec/31 Broken Link, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Dec/32 Broken Link, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202003-06 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2019/dsa-4587 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpujan2020.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/ja/news/2019/10/01/code-injection-shell-test-cve-2019-16255/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-4-8-released/ Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-5-7-released/ Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/ja/news/2019/10/01/ruby-2-6-5-released/ Release Notes (af854a3a-2127-422b-91ae-364da2661108)