CVE-2018-18435

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 v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.exploit-db.com/exploits/46093/	Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html	Exploit Third Party Advisory VDB Entry
https://www.kioware.com/patch.aspx	Patch Vendor Advisory
https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update	Patch Vendor Advisory
https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md

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Configurations

Configuration 1 (hide)

cpe:2.3:a:kioware:kioware_server:*:*:*:*:*:*:*:*

Information

Published : 2019-03-21 09:00

Updated : 2019-10-02 17:03

NVD link : CVE-2018-18435

Mitre link : CVE-2018-18435

JSON object : View

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

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Products Affected

kioware

kioware_server

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