CVE-2020-1706

openshift/apb-tools: /etc/passwd is given incorrect privileges

Severity Score

7.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

It has been found that in openshift-enterprise version 3.11 and openshift-enterprise versions 4.1 up to, including 4.3, multiple containers modify the permissions of /etc/passwd to make them modifiable by users other than root. An attacker with access to the running container can exploit this to modify /etc/passwd to add a user and escalate their privileges. This CVE is specific to the openshift/apb-tools-container.

Se ha encontrado que en openshift-enterprise versión 3.11 y openshift-enterprise versiones 4.1 hasta 4.3 incluyéndola, múltiples contenedores modifican los permisos de /etc/passwd para que sean entonces modificables por otros usuarios diferentes de root. Un atacante con acceso al contenedor en ejecución puede explotar esto para modificar /etc/passwd para agregar un usuario y escalar sus privilegios. Este CVE es específico para el openshift/apb-tools-container.

An insecure modification vulnerability in the /etc/passwd file was found in the openshift/apb-tools. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges.

*Credits: N/A

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-11-27 CVE Reserved
2020-03-09 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-732: Incorrect Permission Assignment for Critical Resource

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1706	2023-02-12
https://access.redhat.com/security/cve/CVE-2020-1706	2020-06-17
https://bugzilla.redhat.com/show_bug.cgi?id=1793302	2020-06-17
https://access.redhat.com/articles/4859371	2020-06-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform"				3.11 Search vendor "Redhat" for product "Openshift Container Platform" and version "3.11"		-		Affected
Redhat Search vendor "Redhat"		Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform"				4.1 Search vendor "Redhat" for product "Openshift Container Platform" and version "4.1"		-		Affected
Redhat Search vendor "Redhat"		Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform"				4.2 Search vendor "Redhat" for product "Openshift Container Platform" and version "4.2"		-		Affected
Redhat Search vendor "Redhat"		Openshift Container Platform Search vendor "Redhat" for product "Openshift Container Platform"				4.3 Search vendor "Redhat" for product "Openshift Container Platform" and version "4.3"		-		Affected