#VU36623 Improper Authentication in Foreman - CVE-2018-14643

Vulnerability identifier: #VU36623

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-14643

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Foreman
Web applications / Remote management & hosting panels

Vendor: Foreman

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Foreman: All versions

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External links
https://www.securityfocus.com/bid/105375
https://access.redhat.com/errata/RHSA-2018:2733
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14643
https://github.com/theforeman/smart_proxy_dynflow/pull/54

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.