CVE-2018-16837
Ansible "User" module leaks any data which is passed on as a parameter to ssh-keygen.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.36% probability · 30th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-214, CWE-311
- Affected
- redhat/ansible engine · redhat/ansible tower · debian/debian linux · suse/package hub
- Source
- secalert@redhat.com
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.