#VU65127 Race condition in October CMS - CVE-2022-24800

Vulnerability identifier: #VU65127

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-24800

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
October CMS
Web applications / CMS

Vendor: OctoberCMS

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition when processing uploaded filenames passed via the fromData method. A remote attacker can upload and execute arbitrary files on the system.

The vulnerability affects installations of OctoberCMS with plugins that expose the October\Rain\Database\Attach\File::fromData as a public interface.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

October CMS: 1.0.319 - 1.0.475, 1.1.0 - 1.1.11, 2.0.0 - 2.0.29, 2.1.0 - 2.1.29, 2.2.0 - 2.2.14

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External links
https://github.com/octobercms/october/security/advisories/GHSA-8v7h-cpc2-r8jp/

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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.