Improper access control in Foreman

1) Improper access control

EUVDB-ID: #VU40280

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-3728

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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

Eval injection vulnerability in tftp_api.rb in the TFTP module in the Smart-Proxy in Foreman before 1.10.4 and 1.11.x before 1.11.2 allows remote attackers to execute arbitrary code via the PXE template type portion of the PATH_INFO to tftp/.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Foreman: 1.10.3 - 1.11.1

CPE2.3

• cpe:2.3:a:foreman:foreman:1.10.3:*:*:*:*:*:*:*
• cpe:2.3:a:foreman:foreman:1.11.0:*:*:*:*:*:*:*
• cpe:2.3:a:foreman:foreman:1.11.1:*:*:*:*:*:*:*

External links

https://projects.theforeman.org/issues/14931
https://theforeman.org/security.html#2016-3728
https://www.openwall.com/lists/oss-security/2016/05/19/2
https://access.redhat.com/errata/RHBA-2016:1501
https://github.com/theforeman/smart-proxy/commit/eef532aa668d656b9d61d9c6edf7c2505f3f43c7

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.