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Category:   Application (Forum/Board/Portal)  >   microBlog Vendors:   Marko
microBlog Input Validation Bugs Permit SQL Injection and Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1015496
SecurityTracker URL:  http://securitytracker.com/id/1015496
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Jan 17 2006
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Exploit Included:  Yes  
Version(s): 2.0 RC-10
Description:   Aliaksandr Hartsuyeu of eVuln reported a vulnerability in microBlog. A remote user can inject SQL commands. A remote user can also conduct cross-site scripting commands.

The 'index.php' script does not properly validate user-supplied input in the 'year' and 'month' parameters. A remote user can supply a specially crafted parameter value to execute SQL commands on the underlying database.

A demonstration exploit URL is provided:

http://[target]/microblog/index.php?month=1&year=9999%20union%20select%
201,2,3,4,5,6,7,8,9,10,11,12,13,14/*

The 'functions.php' script does not properly filter HTML code from the user-supplied '[url]' BBCode tag before displaying the input. A remote user can create a specially crafted tag that, when viewed by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the microBlog software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A demonstration exploit tag is provided:

[url=javascript:alert(123)]title[/url]

The original advisories are available at:

http://evuln.com/vulns/35/summary.html
http://evuln.com/vulns/36/summary.html

Impact:   A remote user can execute SQL commands on the underlying database.

A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the microBlog software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Solution:   No solution was available at the time of this entry.
Vendor URL:  www.stamcar.com/projekti/microblog/ (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Tue, 17 Jan 2006 10:40:01 +0300
Subject:  [eVuln] microBlog SQL Injection Vulnerability

New eVuln Advisory:
microBlog SQL Injection Vulnerability
http://evuln.com/vulns/35/summary.html

--------------------Summary----------------

Software: microBlog
Sowtware's Web Site: http://www.stamcar.com/projekti/microblog/
Versions: 2.0 RC-10
Critical Level: Moderate
Type: SQL Injection
Class: Remote
Status: Unpatched
Exploit: Available
Solution: Not Available
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)
eVuln ID: EV0035

-----------------Description---------------
Vulnerable script: index.php 

Variables $month $year isn't properly sanitized before being used in a
SQL query. This can be used to make any SQL query by injecting arbitrary
SQL code. 

Administrator's login and password is threatened.

--------------Exploit----------------------
SQL Injection Example: 

http://host/microblog/index.php?month=1&year=9999%20union%20select%
201,2,3,4,5,6,7,8,9,10,11,12,13,14/*

--------------Solution---------------------
No Patch available.

--------------Credit-----------------------
Original Advisory:
http://evuln.com/vulns/35/summary.html

Discovered by: Aliaksandr Hartsuyeu (eVuln.com)
 
 


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