CVE-2019-20384

Published: Jan 21, 2020Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

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.

Affected (1)

Products: Gentoo: Portage

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gentoo Portage	Up to 2.3.84

Related CWEs

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (4)

http://www.openwall.com/lists/oss-security/2020/01/21/1

Source: cve@mitre.org

ExploitMailing ListThird Party Advisory

https://bugs.gentoo.org/692492

Source: cve@mitre.org

ExploitIssue TrackingVendor Advisory

http://www.openwall.com/lists/oss-security/2020/01/21/1

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitMailing ListThird Party Advisory

https://bugs.gentoo.org/692492

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingVendor Advisory

Timeline

No history available yet.