CVE-2019-5021

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Versions of the Official Alpine Linux Docker images (since v3.3) contain a NULL password for the `root` user. This vulnerability appears to be the result of a regression introduced in December of 2015. Due to the nature of this issue, systems deployed using affected versions of the Alpine Linux container which utilize Linux PAM, or some other mechanism which uses the system shadow file as an authentication database, may accept a NULL password for the `root` user.

Algunas versiones de las imágenes de Official Alpine Linux Docker (desde v3.3) contienen una contraseña NULL para el usuario `root`. Esta vulnerabilidad parece ser el resultado de una regresión introducida en diciembre de 2015. Debido a la naturaleza de este problema, los sistemas implementados utilizando las versiones afectadas del contenedor de Alpine Linux que utilizan Linux PAM, o algún otro mecanismo que utiliza el archivo de sistema shadow como una base de datos de autenticación, puede aceptar una contraseña NULL para el usuario `root`.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-04 CVE Reserved
2019-05-08 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-258: Empty Password in Configuration File

CAPEC

References (6)

URL	Tag	Source
http://www.securityfocus.com/bid/108288	Broken Link
https://security.netapp.com/advisory/ntap-20190510-0001	Third Party Advisory
https://support.f5.com/csp/article/K25551452	Third Party Advisory

URL	Date	SRC
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0782	2024-08-04

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00004.html	2022-06-13
https://alpinelinux.org/posts/Docker-image-vulnerability-CVE-2019-5021.html	2022-06-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gliderlabs Search vendor "Gliderlabs"	Docker-alpine Search vendor "Gliderlabs" for product "Docker-alpine"	>= 3.3 Search vendor "Gliderlabs" for product "Docker-alpine" and version " >= 3.3"	-	Affected	in	Alpinelinux Search vendor "Alpinelinux"	Alpine Linux Search vendor "Alpinelinux" for product "Alpine Linux"	-	-	Safe
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.0 Search vendor "Opensuse" for product "Leap" and version "15.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected
F5 Search vendor "F5"		Big-ip Controller Search vendor "F5" for product "Big-ip Controller"				1.2.1 Search vendor "F5" for product "Big-ip Controller" and version "1.2.1"		cloud_foundry		Affected