Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Ansible Engine | 2.0 |
| Redhat | Ansible Tower | 3.3.0 |
| Debian | Debian Linux | 8.0 |
| Suse | Package Hub | - |
| Suse | Linux Enterprise | 12.0 |
Related Weaknesses (CWE)
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 AdvisoryVDB 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 TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00012.htmlMailing ListThird 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
FAQ
What is CVE-2018-16837?
CVE-2018-16837 is a vulnerability with a CVSS score of 7.8 (HIGH). 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...
How severe is CVE-2018-16837?
CVE-2018-16837 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-16837?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Ansible Engine, Redhat Ansible Tower, Debian Debian Linux, Suse Package Hub, Suse Linux Enterprise.