KBVault MySQL 0.16a Arbitrary File Upload

Published
Credit
Risk
2017.06.16
Fatih Emiral
High
CWE
CVE
Local
Remote
CWE-264
CVE-2017-9602
No
Yes
Dork: inurl:"FileExplorer/Explorer.aspx"

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

# Exploit Title: [KBVault MySQL v0.16a - Unauthenticated File Upload to Run Code]
# Google Dork: [inurl:"FileExplorer/Explorer.aspx"]
# Date: [2017-06-14]
# Exploit Author: [Fatih Emiral]
# Vendor Homepage: [http://kbvaultmysql.codeplex.com/]
# Software Link: [http://kbvaultmysql.codeplex.com/downloads/get/858806]
# Version: [0.16a]
# Tested on: [Windows 7 (applicable to all Windows platforms)]
# CVE : [CVE-2017-9602]

1. Description

KBVault Mysql Free Knowledge Base application package comes with a third party file management component. An unauthenticated user can access the file upload (and delete) functionality using the following URI:

http://host/FileExplorer/Explorer.aspx?id=/Uploads

2. Exploit

Through this functionality a user can upload an ASPX script to run any arbitrary code, e.g.:

http://host/Uploads/Documents/cmd.aspx

3. Solution

Unauthenticated access to the file management function should be prohibited.
File uploads should be checked against executable formats, and only acceptable file types should be allowed to upload.

4. Disclosure Timeline

2017-06-09: Vendor notification
2017-06-09: Vendor responded with intention to fix the vulnerability
2017-06-12: CVE number acquired
2017-06-15: Public disclosure


See this note in RAW Version

 
Bugtraq RSS
Bugtraq
 
CVE RSS
CVEMAP
 
REDDIT
REDDIT
 
DIGG
DIGG
 
LinkedIn
LinkedIn


Copyright 2017, cxsecurity.com