Vulnerability identifier: #VU61218

Vulnerability risk: Medium

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SPIP
Web applications / CMS

Vendor: spip.net

Description

The vulnerability allows a remote user to execute arbitrary PHP code on the target system.

The vulnerability exists due to improper input validation. A remote user with editor access to the website can send a specially crafted request to the web application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SPIP: 4.0.0 - 4.0.4, 3.2 - 3.2.13

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External links
http://blog.spip.net/Mise-a-jour-critique-de-securite-sorties-de-SPIP-4-0-5-et-SPIP-3-2-14.html?lang=fr
http://git.spip.net/spip/medias/commit/3014b845da2dd8ad15ff04b50fd9dbba388a9ca2

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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