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.

How to fix CVE-2018-16837

To remediate CVE-2018-16837, upgrade the affected package to a fixed version below.

• —upgrade to 2.5.11-r0 or later
• —upgrade to 2.7.1+dfsg-1 or later
• —upgrade to 1.7.2+dfsg-2+deb8u1 or later
• —upgrade to 2.7.1 or later
• —upgrade to 2.7.1 or later

Is CVE-2018-16837 being exploited?

Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.

Affected packages (5)

• from 0, < 2.5.11-r0
• from 0, < 2.7.1+dfsg-1
• from 0, < 1.7.2+dfsg-2+deb8u1
• >= 2.7.0a1, < 2.7.1
• >= 2.7, < 2.7.1, >= 2.6, < 2.6.7, from 0, < 2.5.11

CVSS scores

References (30)

• ADVISORYgithub.com/advisories/GHSA-hwrm-63v2-42g4
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2018-16837
• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2018-16837
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2018-16837
• PATCH