CVE-2019-10143

Name: CVE-2019-10143
Creator: NVD / NIST
Published: 2019-05-24T17:29:02.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2019-10143 is a high-severity vulnerability rated 7/10 on the CVSS scale. It was discovered freeradius up to and including version 3.0.19 does not correctly configure logrotate, allowing a local attacker who already has control of the radiusd user to escalate his privileges to root, by tricking logrotate into writing a radiusd-writable file to a directory normally inaccessible by the radiusd user. NOTE: the upstream software maintainer has stated "there is simply no way for anyone to gain privileges through this alleged issue.". EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

It was discovered freeradius up to and including version 3.0.19 does not correctly configure logrotate, allowing a local attacker who already has control of the radiusd user to escalate his privileges to root, by tricking logrotate into writing a radiusd-writable file to a directory normally inaccessible by the radiusd user. NOTE: the upstream software maintainer has stated "there is simply no way for anyone to gain privileges through this alleged issue."

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.34%

26.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Freeradius	Freeradius	<= 3.0.19
Fedoraproject	Fedora	29
Fedoraproject	Fedora	30
Redhat	Enterprise Linux	8.0

References

http://packetstormsecurity.com/files/155361/FreeRadius-3.0.19-Logrotate-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Nov/14Exploit, Mailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3353Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10143Issue Tracking, Third Party Advisory
https://freeradius.org/security/Third Party Advisory
https://github.com/FreeRADIUS/freeradius-server/pull/2666Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6VKBZAZKJP5QKXDXRKCM2ZPZND3TFAX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TKODLHHUOVAYENTBP4D3N25ST3Q6LJBP/
http://packetstormsecurity.com/files/155361/FreeRadius-3.0.19-Logrotate-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2019/Nov/14Exploit, Mailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3353Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10143Issue Tracking, Third Party Advisory
https://freeradius.org/security/Third Party Advisory
https://github.com/FreeRADIUS/freeradius-server/pull/2666Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6VKBZAZKJP5QKXDXRKCM2ZPZND3TFAX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TKODLHHUOVAYENTBP4D3N25ST3Q6LJBP/

Timeline

Published: May 24, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-10143?

How severe is CVE-2019-10143?

CVE-2019-10143 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2019-10143?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-10143?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST