CVE-2018-18435

HIGH

Kioware Server < 4.9.6 - Incorrect Permission Assignment

Title source: rule
STIX 2.1

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.

Exploits (1)

exploitdb WRITEUP
by Hashim Jawad · textlocalwindows
https://www.exploit-db.com/exploits/46093

References (5)

Core 5
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46093/
Patch, Vendor Advisory x_refsource_confirm
https://www.kioware.com/patch.aspx

Scores

CVSS v3 7.8
EPSS 0.0049
EPSS Percentile 65.8%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-732
Status published
Products (1)
kioware/kioware_server < 4.9.6
Published Mar 21, 2019
Tracked Since Feb 18, 2026