CVE-2019-16255

Severity CVSS v4.0:

Pending analysis

Type:

CWE-94 Code Injection

Publication date:

26/11/2019

Last modified:

30/04/2023

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

8.10

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

6.80

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:ruby-lang:ruby::::::::	2.4.0 (including)	2.4.7 (including)
cpe:2.3:a:ruby-lang:ruby::::::::	2.5.0 (including)	2.5.6 (including)
cpe:2.3:a:ruby-lang:ruby::::::::	2.6.0 (including)	2.6.4 (including)
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:opensuse:leap:15.1:::::::*
cpe:2.3:a:oracle:graalvm:19.3.0.2::::enterprise:::

To consult the complete list of CPE names with products and versions, see this page

CVE-2019-16255

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools