Vulnerability Details : 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.
Products affected by CVE-2018-18435
- cpe:2.3:a:kioware:kioware_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-18435
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-18435
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-18435
-
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18435
-
https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update
KioWare Server Security Patch ReleasePatch;Vendor Advisory
-
https://www.kioware.com/patch.aspx
KioWare Security PatchesPatch;Vendor Advisory
-
https://www.exploit-db.com/exploits/46093/
KioWare Server Version 4.9.6 - Weak Folder Permissions Privilege EscalationExploit;Third Party Advisory;VDB Entry
-
http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html
KioWare Server 4.9.6 Privilege Escalation ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md
Advisories/ACTIVE-2019-002.md at master · active-labs/Advisories · GitHub
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