Vulnerability identifier: #VU39814

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-5543

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Subrion CMS
Web applications / CMS

Vendor: Intelliants

Description

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

includes/classes/ia.core.users.php in Subrion CMS 4.0.5 allows remote attackers to conduct PHP Object Injection attacks via crafted serialized data in a salt cookie in a login request.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Subrion CMS: 4.0.5

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External links
http://www.securityfocus.com/bid/95688
http://github.com/intelliants/subrion/issues/297

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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.