CVE-2019-15642 Information

Description

rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states \RPC can be used to run any command or modify any file on a server which is why access to it must not be granted to un-trusted Webmin users.\

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://doxfer.webmin.com/Webmin/Webmin_Servers_Index https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgiL26-L37 https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8