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TI-2019-14618 Aliases CVE-2019-20384GHSA-fj76-6r22-qfgv

Gentoo Portage through 2.3.84 allows local users to place a Trojan horse plugin in the…

Priority LOW 24CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.0027 19th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:*up to 2.3.84Vulnerablegentoo
  • cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:* Versions up to 2.3.84 Vulnerable ·gentoo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-20384
  2. 2026-10-03 Alias added: GHSA-fj76-6r22-qfgv

References

  • TI-2016-09197 In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the… CVSS 3.1CRITICAL 9.8
  • TI-2013-01869 The urlopen function in pym/portage/util/_urlopen.py in Gentoo Portage 2.1.12, when using… CVSS 2.0HIGH 9.3
  • TI-2004-02643 Ebuild in Gentoo may change directory and file permissions depending on the order of… CVSS 3.0HIGH 7.1
  • TI-2008-04191 Multiple untrusted search path vulnerabilities in Portage before 2.1.4.5 include the… CVSS 2.0MEDIUM 6.9
  • TI-2004-01775 Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack on the lockfiles. CVSS 3.1MEDIUM 5.5
  • TI-2007-05962 etc-update in Portage before 2.1.3.11 on Gentoo Linux relies on the umask to set… CVSS 2.0LOW 2.1

Sources