Title:

Event Calendar PHP 1.2 - Multiple Web Vulnerabilites

Date:

2012-06-19

References:

http://www.vulnerability-lab.com/get_content.php?id=607

VL-ID:

607

Common Vulnerability Scoring System:

7.1

Introduction:

Event Calendar PHP main features:

simple and user friendly admin area
any language support
full control over the CSS of calendar and events style
one single step installation
easy to include into your webpage - just drop a single line of code
create unlimited number of calendars per website
each event have date, start time, end time, title, price, maximum attendance, description and event photo/image
different types for showing events on the calendar - in the calendar date cell, with tooltips, with popup window
option to hide expired events from calendar
fully readable and simple php source code
W3C validated events RSS feed

You can see the demo of Event Calendar PHP. Also check the administrator area.
If needed, we can modify your Event Calendar PHP script for a reasonable price.
FREE INSTALLATION - If you are having trouble with the installation, we will do it free for you. Just email us at [email protected]
Requirements: PHP 4.3 or higher and MySQL 3 or higher running on your webserver.
Current stable version of Event Calendar PHP is 1.2

( Copy of the Vendor Homepage: http://www.eventcalendarphp.com )

Abstract:

The Vulnerability Laboratory Research Team discovered multiple web vulnerabilites in Event Calendar PHP 1.2 CMS.

Report-Timeline:

2012-06-17: Public Disclosure

Status:

Published

Exploitation-Technique:

Remote

Severity:

High

Details:

1.1
Multiple SQL Injection vulnerabilities are detected in the Funeral Script PHP Content Management System.
The vulnerability allows an attacker (remote) or local low privileged user account to inject/execute own sql commands
on the affected application dbms without user inter action. The vulnerabilities are located in the funeral_script.php
& admin.php files and the bound vulnerable parameters orderBy, orderType & hide_cat. Successful exploitation of the
vulnerability results in dbms & application compromise.

Vulnerable File(s):
[+] admin.php
[+] preview.php

Vulnerable Parameter(s):
[+] orderBy
[+] orderType

1.2
Multiple persistent input validation vulnerabilities are detected in the Funeral Script PHP Content Management System.
The bugs allow remote attackers to implement/inject malicious script code on the application side (persistent).
The vulnerabilities are located in the

Successful exploitation of the vulnerability can lead to session hijacking (manager/admin) or stable (persistent)
context manipulation. Exploitation requires low user inter action & privileged application user account.

Vulnerable Section(s):
[+] Event - Input & Listing
[+] Calender - Input & Listing

Vulnerable Module(s):
[+] [Calender - Name|Title > Listing]
[+] [Event - Name|Title > Listing]

Vulnerable Parameter(s):
[+] newCal - name
[+] newEvent - title

1.3
Multiple non persistent cross site scripting vulnerabilities are detected on the ME Firewall Analyzer v7.2 Application.
The vulnerability allows remote attackers to hijack website customer, moderator or admin sessions with medium or high
required user inter action or local low privileged user account. Exploitation requires low user inter action or low
privileged application user account. The bugs are located in the admin.php & funeral_script.php files with the bound
vulnreable parameters orderBy, search, orderType, p, hide_cat & obit_id. Successful exploitation can result in account
steal, phishing & client-side content request manipulation.

Vulnerable File(s):
[+] admin.php
[+] preview.php

Vulnerable Parameter(s):
[+] cal_id, cal_month & cal_year
[+] act
[+] search

Proof of Concept:

1.1
The sql injection vulnerabilities can be exploited by remote attackers with privileged user accounts & without required
user inter action. For demonstration or reproduce …

http://127.0.0.1:80/eventcalendar/admin.php?act=calendars&orderType=DESC&search=&orderBy=-1%27[SQL-INJECTION]cal_name&cal_id=2
http://127.0.0.1:80/eventcalendar/admin.php?act=calendars&orderType=-1%27[SQL-INJECTION]&search=&orderBy=cal_name&cal_id=2
http://127.0.0.1:80/eventcalendar/admin.php?act=events&orderType=ASC-1%27[SQL-INJECTION]&orderBy=event_title&cal_id=2
http://127.0.0.1:80/eventcalendar/admin.php?act=events&orderType=ASC&orderBy=-1%27[SQL-INJECTION]event_title&cal_id=2
http://127.0.0.1:80/preview.php?act=calendars&orderType=DESC&search=&orderBy=-1%27[SQL-INJECTION]cal_name&cal_id=2

1.2
The persistent script code inject vulnerability can be exploited by remote attackers with privileged user acctount &
low required user inter action. For demonstration or reproduce …

PoC:
http://127.0.0.1:80/eventcalendar/admin.php?act=newCal&cal_id=2
http://127.0.0.1:80/eventcalendar/admin.php?act=newEvent&cal_id=2

Note: Inject your persistent script code to the title input fields and watch the vulnerable output listing.

1.3
The client side cross site scripting vulnerabilities can be exploited by remote attackers with medium or high required user
inter action. For demonstration or reproduce …

PoC:
http://127.0.0.1:80/eventcalendar/preview.php?cal_id=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C&cal_month=1&cal_year=0#oncal
http://127.0.0.1:80/eventcalendar/preview.php?cal_id=2&cal_month=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C&cal_year=0#oncal
http://127.0.0.1:80/eventcalendar/preview.php?cal_id=2&cal_month=1&cal_year=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C#oncal
http://127.0.0.1:80/eventcalendar/admin.php?act=%22%3E%3Ciframe%20src=a%20onload=alert%28%22VL%22%29%20%3C

Risk:

1.1
The security risk of the sql injection vulnerabilities are estimated as high(+).

1.2
The security risk of the persistent input validation vulnerabilities are estiamted as medium(-).

1.3
The security risk of the non-persistent cross site scripting vulnerabilities are estiamted as medium(-).

Credits:

Vulnerability Laboratory [Research Team] - snup ([email protected]) [http://snup1.blogspot.com]

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