CVE-2018-16837

Name: CVE-2018-16837
Creator: NVD / NIST
Published: 2018-10-23T15:29:00.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.35%

Last modified Jun 17, 2026

CVE-2018-16837 is a vulnerability of currently unknown severity. Ansible "User" module leaks any data which is passed on as a parameter to ssh-keygen. This could lean in undesirable situations such as passphrases credentials passed as a parameter for the ssh-keygen executable. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

Ansible "User" module leaks any data which is passed on as a parameter to ssh-keygen. This could lean in undesirable situations such as passphrases credentials passed as a parameter for the ssh-keygen executable. Showing those credentials in clear text form for every user which have access just to the process list.

Metrics

EPSS Probability

0.35%

27.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Ansible Engine	2.0
Redhat	Ansible Engine	2.5
Redhat	Ansible Engine	2.6
Redhat	Ansible Engine	2.7
Redhat	Ansible Tower	3.3.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Suse	Package Hub	All versions

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00020.html
http://www.securityfocus.com/bid/105700Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3460Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3461Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3462Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3463Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3505Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00012.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4072-1/
https://www.debian.org/security/2019/dsa-4396Third Party Advisory
https://access.redhat.com/security/cve/cve-2018-16837Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00020.html
http://www.securityfocus.com/bid/105700Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3460Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3461Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3462Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3463Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3505Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00012.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4072-1/
https://www.debian.org/security/2019/dsa-4396Third Party Advisory

Timeline

Published: Oct 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-16837?

How severe is CVE-2018-16837?

Severity scoring for CVE-2018-16837 is pending analysis. The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2018-16837?

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-2018-16837?

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

Scan your code now

Source: NVD / NIST