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Vsns lemon multiple vulnerabilities



VSNS Lemon Multiple Vulnerabilities
VSNS Lemon Multiple Vulnerabilities



New eVuln Advisory:
VSNS Lemon Multiple Vulnerabilities
http://evuln.com/vulns/106/summary.html 

--------------------Summary----------------
eVuln ID: EV0106
CVE: CVE-2006-1553 CVE-2006-1554 CVE-2006-1555
Vendor: Tachyon
Vendor's Web Site: http://tachyondecay.net/ 
Software: VSNS Lemon
Versions: 3.2.0
Critical Level: Moderate
Type: Multiple Vulnerabilities
Class: Remote
Status: Unpatched. No reply from developer(s)
PoC/Exploit: Not Available
Solution: Not Available
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)

-----------------Description---------------
1. SQL Injection.

Vulnerable script: functions/final_functions.php

Variable $id is not properly sanitized before being used in SQL query. This can be used to bypass authentication or make any SQL query by injecting arbitrary SQL code.

Condition: magic_quotes_gpc = off


2. Cross-Site Scripting.

Adding comment form. Parameter 'name' is not properly sanitized. This can be used to post arbitrary HTML or JavaScript code.


3. Cookie-Based Authentication Bypass.

There is a possibility to bypass authentication for pasword-protected articles. Password-checking function dont make password comparisson, just check cookie value for existance.


--------------PoC/Exploit----------------------
Available at
http://evuln.com/vulns/106/exploit.html 

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

--------------Credit-----------------------
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)


Regards,
Aliaksandr Hartsuyeu
http://evuln.com - Penetration Testing Services 
.

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