#VU20412 Command Injection in Webmin


Published: 2020-03-18 | Updated: 2023-05-09

Vulnerability identifier: #VU20412

Vulnerability risk: High

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-2019-15231, CVE-2019-15107

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Webmin
Web applications / Remote management & hosting panels

Vendor: Webmin

Description

The vulnerability allows a remote attacker to execute arbitrary commands on a targeted system.

The vulnerability exists due to insufficient validation of user-supplied input in the "password_change.cgi" script. A remote attacker can send a specially crafted HTTP request that submits malicious input to the password reset request form page and execute arbitrary commands with root privileges.

Note, this vulnerability is being exploited in the wild by the Roboto botnet.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Webmin: 1.882 - 1.921

External links
http://www.webmin.com/security.html
http://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/webmin_backdoor.rb

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.


Latest bulletins with this vulnerability


Remote command injection in Webmin