CVE-2018-16837

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-23 · updated 2026-06-17
Weakness: CWE-214

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.

Affected products

Debian Linux: 8.0, 9.0
RedHat Ansible Engine: 2.0, 2.5, 2.6, 2.7
Tower: 3.3.0
SUSE Package Hub: all versions

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.html
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/105700
https://access.redhat.com/errata/RHSA-2018:3460
https://access.redhat.com/errata/RHSA-2018:3461
https://access.redhat.com/errata/RHSA-2018:3462
https://access.redhat.com/errata/RHSA-2018:3463
https://access.redhat.com/errata/RHSA-2018:3505
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837
https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html
https://usn.ubuntu.com/4072-1/

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