Multiple vulnerabilities in Webmin

Published: 2022-03-16 | Updated: 2022-11-08

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-0824 CVE-2022-0829
CWE-ID	CWE-284 CWE-285
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available.
Vulnerable software Subscribe	Webmin Web applications / Remote management & hosting panels
Vendor	Webmin

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU61395

Risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2022-0824

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions within the File Manager module. A remote user can bypass implemented security restrictions and compromise the affected system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Webmin: 1.900 - 1.984

External links

http://github.com/webmin/webmin/commit/39ea464f0c40b325decd6a5bfb7833fa4a142e38
http://huntr.dev/bounties/d0049a96-de90-4b1a-9111-94de1044f295
http://packetstormsecurity.com/files/166240/Webmin-1.984-Remote-Code-Execution.html

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. However, a fully functional exploit for this vulnerability is available.

2) Improper Authorization

EUVDB-ID: #VU61396

Risk: Medium

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-0829

CWE-ID: CWE-285 - Improper Authorization