CVE-2019-16255

CVE Details

Release Date:	2019-11-26
Impact:	None	What is this?

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.

See more information about CVE-2019-16255 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	8.1
Vector String:	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	High
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (ruby)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (ruby)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-abrt)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-abrt)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-bson)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-bson)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-bundler)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-mongo)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-mongo)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-mysql2)	ELSA-2021-2588	2021-07-07
Oracle Linux version 8 (rubygem-pg)	ELSA-2021-2587	2021-07-02
Oracle Linux version 8 (rubygem-pg)	ELSA-2021-2588	2021-07-07