CVE-2019-20384

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Gentoo Portage through 2.3.84 allows local users to place a Trojan horse plugin in the /usr/lib64/nagios/plugins directory by leveraging access to the nagios user account, because this directory is writable in between a call to emake and a call to fowners.

Gentoo Portage versiones hasta 2.3.84, permite a usuarios locales colocar un complemento de tipo caballo de Troya en el directorio /usr/lib64/nagios/plugins al aprovechar el acceso a la cuenta de usuario nagios, porque este directorio es escribible entre una llamada a emake y una llamada a Fowners.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-20 CVE Reserved
2020-01-20 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2020/01/21/1	2024-08-05
https://bugs.gentoo.org/692492	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gentoo Search vendor "Gentoo"		Portage Search vendor "Gentoo" for product "Portage"				<= 2.3.84 Search vendor "Gentoo" for product "Portage" and version " <= 2.3.84"		-		Affected