CVE-2018-16837

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.

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• https://security-tracker.debian.org/tracker/CVE-2018-16837
• https://nvd.nist.gov/vuln/detail/CVE-2018-16837
• https://github.com/ansible/ansible/pull/47487
• https://github.com/ansible/ansible/pull/47486
• https://github.com/ansible/ansible/pull/47445
• https://github.com/ansible/ansible/pull/47436
• https://github.com/ansible/ansible/commit/77928e6c3a2ad878b20312ce5d74d9d7741e0df0
• https://github.com/ansible/ansible/commit/b618339c321c387230d3ea523e80ad47af3de5cf
• https://github.com/ansible/ansible/commit/f50cc0b8cb399bb7b7c1ad23b94c9404f0cc6d23
• https://www.debian.org/security/2019/dsa-4396
• https://web.archive.org/web/20200227105539/http://www.securityfocus.com/bid/105700
• https://usn.ubuntu.com/4072-1
• https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html
• https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2018-44.yaml
• https://github.com/ansible/ansible/blob/c963ef1dfbf73efea5106624eb48b346f01eaefd/changelogs/CHANGELOG-v2.7.rst?plain=1#L138
• https://github.com/ansible/ansible
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837
• https://access.redhat.com/security/cve/cve-2018-16837
• https://access.redhat.com/errata/RHSA-2018:3505
• https://access.redhat.com/errata/RHSA-2018:3463
• https://access.redhat.com/errata/RHSA-2018:3462
• https://access.redhat.com/errata/RHSA-2018:3461
• https://access.redhat.com/errata/RHSA-2018:3460
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.html
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00077.html