Arbitrary file upload in bingo!CMS

1) Missing Authorization

EUVDB-ID: #VU68107

Risk: Critical

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2022-42458

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

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

The vulnerability exists due to missing authorization in the management functionality responsible for file uploads. A remote non-authenticated attacker can upload a malicious file on the server and execute it.

Successful exploitation of the vulnerability may result in full system compromise.

Note, the vulnerability is being exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

bingo!CMS: 1.4.0 - 1.7.4.1

CPE2.3

• cpe:2.3:a:bingo_cms:bingo_cms:1.4.0:*:*:*:*:*:*:
• cpe:2.3:a:bingo_cms:bingo_cms:1.5.0:*:*:*:*:*:*:
• cpe:2.3:a:bingo_cms:bingo_cms:1.5.1:*:*:*:*:*:*:

External links

http://www.jpcert.or.jp/english/at/2022/at220026.html
http://www.bingo-cms.jp/information/20221011.html

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?

Yes. This vulnerability is being exploited in the wild.