Vulnerability identifier: #VU28770

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5299

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
October CMS
Web applications / CMS

Vendor: OctoberCMS

Description

The vulnerability allows a remote attacker to inject arbitrary data into SCV files.

The vulnerability exists due to improper input validation when generating SCV files in ImportExportController. A remote attacker can create specially crafted SCV files and trick the victim into exporting the file with malicious content.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

October CMS: 1.0.319 - 1.0.465

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External links
http://github.com/octobercms/library/commit/c84bf03f506052c848f2fddc05f24be631427a1a
http://github.com/octobercms/october/commit/802d8c8e09a2b342649393edb6d3ceb958851484
http://github.com/octobercms/october/security/advisories/GHSA-4rhm-m2fp-hx7q

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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