7.8
HIGH CVSS 3.0
CVE-2018-18435
KioWare Server Directory Traversal and Privilege Escalation
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.

INFO

Published Date :

March 21, 2019, 4 p.m.

Last Modified :

Nov. 21, 2024, 3:55 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2018-18435 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Kioware kioware_server
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.0 HIGH [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-18435.

URL Resource
http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
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 Patch Vendor Advisory
https://www.exploit-db.com/exploits/46093/ Exploit Third Party Advisory VDB Entry
https://www.kioware.com/patch.aspx Patch Vendor Advisory
http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html Exploit Third Party Advisory VDB Entry
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 Patch Vendor Advisory
https://www.exploit-db.com/exploits/46093/ Exploit Third Party Advisory VDB Entry
https://www.kioware.com/patch.aspx Patch Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-18435 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-18435 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-18435 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2018-18435 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html
    Added Reference https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md
    Added Reference https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update
    Added Reference https://www.exploit-db.com/exploits/46093/
    Added Reference https://www.kioware.com/patch.aspx
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 18, 2020

    Action Type Old Value New Value
    Removed Reference https://github.com/active-labs/Advisories/blob/master/ACTIVE-2019-002.md [Third Party Advisory]
    Added Reference https://github.com/active-labs/Advisories/blob/master/2019/ACTIVE-2019-002.md [No Types Assigned]
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-264 CWE-275 CWE-264 CWE-732
  • CVE Modified by [email protected]

    Apr. 18, 2019

    Action Type Old Value New Value
    Changed Description KioWare Server 4.9.6 allows local users to gain privileges by replacing \kioware_com\KWSS.exe with a Trojan horse program, because \kioware_com has "Everyone: (F)" permissions. 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.
  • Modified Analysis by [email protected]

    Apr. 16, 2019

    Action Type Old Value New Value
    Changed Reference Type https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update No Types Assigned https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update Patch, Vendor Advisory
    Changed Reference Type https://www.kioware.com/patch.aspx No Types Assigned https://www.kioware.com/patch.aspx Patch, Vendor Advisory
    Changed Reference Type https://github.com/active-labs/Advisories/blob/master/ACTIVE-2019-002.md No Types Assigned https://github.com/active-labs/Advisories/blob/master/ACTIVE-2019-002.md Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:kioware:kioware_server:4.9.6:*:*:*:*:*:*:* OR *cpe:2.3:a:kioware:kioware_server:*:*:*:*:*:*:*:* versions up to (including) 4.9.6
  • CVE Modified by [email protected]

    Mar. 29, 2019

    Action Type Old Value New Value
    Added Reference https://www.kioware.com/patch.aspx [No Types Assigned]
    Added Reference https://m.kioware.com/news/kioware-press-releases/kioware_server_security_patch_update [No Types Assigned]
    Added Reference https://github.com/active-labs/Advisories/blob/master/ACTIVE-2019-002.md [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 21, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/151031/KioWare-Server-4.9.6-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/46093/ No Types Assigned https://www.exploit-db.com/exploits/46093/ Exploit, Third Party Advisory, VDB Entry
    Added CWE CWE-264
    Added CPE Configuration OR *cpe:2.3:a:kioware:kioware_server:4.9.6:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.2
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.82 }} -0.26%

score

0.72092

percentile