Medium severity · published Jan 21, 2020
CVE-2019-20384
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…
5.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PO
Portage · Gentoo
through 2.3.84 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20384
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20384
Exploit
http://www.openwall.com/lists/oss-security/2020/01/21/1
Exploit
https://bugs.gentoo.org/692492
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