An authentication bypass flaw was found in the smart_proxy_dynflow component used by Foreman. A malicious attacker can use this flaw to remotely execute arbitrary commands on machines managed by vulnerable Foreman instances, in a highly privileged context.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - An authentication bypass flaw was found in the smart_proxy_dynflow component used by Foreman. A malicious
    attacker can use this flaw to remotely execute arbitrary commands on machines managed by vulnerable
    Foreman instances, in a highly privileged context. (CVE-2018-14643)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2018:2733 advisory.

    The rubygem provided by rubygem-smart_proxy_dynflow is a plugin into Foreman's Smart Proxy for running     Dynflow actions on the Smart Proxy.

    Security Fix(es):

    * smart_proxy_dynflow: Authentication bypass in Foreman remote execution feature (CVE-2018-14643)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    This issue was discovered by Ivan Necas (Red Hat).

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

MITRE reports :

An authentication bypass flaw was found in the smart_proxy_dynflow component used by Foreman. A malicious attacker can use this flaw to remotely execute arbitrary commands on machines managed by vulnerable Foreman instances, in a highly privileged context.

ID	Name	Product	Family	Severity
423454	SCA: security update for smart_proxy_dynflow (GHSA-gx5g-xcxj-cx2w)	Tenable Cloud Security	SCA Checks	critical
423454	SCA: security update for smart_proxy_dynflow (GHSA-gx5g-xcxj-cx2w)	Tenable Self-Hosted Container Security	SCA Checks	critical
117680	RHEL 7 : rubygem-smart_proxy_dynflow (RHSA-2018:2733)	Nessus	Red Hat Local Security Checks	critical
117649	FreeBSD : smart_proxy_dynflow -- authentication bypass vulnerability (2d6de6a8-fb78-4149-aeda-77fc8f140f06)	Nessus	FreeBSD Local Security Checks	critical

Detections

Analytics

CVE-2018-14643

critical

Tenable Plugins

critical

critical

critical

critical