CVE-2018-18435 Information

Description

KioWare Server version 4.9.6 and older installs by default to \C:\kioware_com\ with weak folder permissions granting any user full permission \Everyone: (F)\ to the contents of the directory and it’s sub-folders. In addition the program installs a service called \KWSService\ which runs as \Localsystem\ this will allow any user to escalate privileges to \NT AUTHORITY\SYSTEM\ by substituting the service’s binary with a malicious one.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update https://www.exploit-db.com/exploits/46093/ https://www.kioware.com/patch.aspx

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

7.8