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myEvent version 1.6 Multiple Path Disclosure Vulnerabilities



        netVigilance Security Advisory #24

myEvent version 1.6 Multiple Path Disclosure Vulnerabilities 

Description:
myEvent is Dynamic Calendar based Events Management system with admin panel for 
adding events, edit and delete built using PHP & mySQL. Display today's event 
and future events links on the calendar, Event will be displayed in 3 mode eg : 
pop-up, new windows and on same screen once link is clicked. There is also a 
mouse-over tool tip to display the events Template based and Simple easily 
intergrated to any websites.
External References: 
Mitre CVE:  CVE-2007-0690
NVD NIST: CVE-2007-0690
OSVDB: 34272

Summary: 
myEvent is Dynamic Calendar based Events Management system with admin panel for 
adding events, edit and delete built using PHP and mySQL.

Multiple pass disclosure vulnerabilities in the product allow attackers to 
gather the true path of the server-side script.


Advisory URL: 
http://www.netvigilance.com/advisory0024 

Release Date:
05/28/2007 

Severity:
Risk: Low
 
CVSS Metrics
Access Vector: Remote
Access Complexity: Low
Authentication: Not-required
Confidentiality Impact: Partial
Integrity Impact: None
Availability Impact: None
Impact Bias: Normal
CVSS Base Score: 2.3
 
Target Distribution on Internet: Low
 
Exploitability: Functional Exploit
Remediation Level: Workaround
Report Confidence: Uncorroborated
 
Vulnerability Impact: Attack
Host Impact: Path disclosure.
SecureScout Testcase ID:
TC 17954

Vulnerable Systems:
myEvent version 1.6

Vulnerability Type:
Program flaw - The myevent.php and login.php scripts has flaws which lead to 
Warnings or even Fatal Error.

Vendor:
myWebland
Vendor Status: 
The Vendor has been notified several times on many different email addresses 
last on 15 May 2007. The Vendor has not responded. There is no official fix at 
the release of this Security Advisory.

Workaround:
Disable warning messages: modify in the php.ini file following line: 
display_errors = Off. Or modify .htaccess file (this will work only for the 
apache servers). 
Example: 
Path Disclosure Vulnerability 1:
REQUEST:
http://[TARGET]/[PRODUCT-DIRECTORY]/myevent.php?monthno[]=2&year=2007
REPLY:
<b>Warning</b>:  htmlspecialchars() expects parameter 1 to be string, array 
given in <b>[DISCLOSED PATH]\[PRODUCT-DIRECTORY]\initialize.php</b> on line 
<b>71</b><br />
Path Disclosure Vulnerability 2:
REQUEST
http://[TARGET]/[PRODUCT-DIRECTORY]/ myevent.php?view[]=1
REPLY:
<b>Warning</b>:  htmlspecialchars() expects parameter 1 to be string, array 
given in <b>[DISCLOSED PATH]\[PRODUCT-DIRECTORY]initialize.php</b> on line 
<b>83</b><br />
Path Disclosure Vulnerability 3:
REQUEST:
http://[TARGET]/[PRODUCT-DIRECTORY]/login.php
Enter Login but do not enter password. Click "Log In"
REPLY:
<b>Fatal error</b>:  Call to undefined function:  notice() in <b>[DISCLOSED 
PATH]\[PRODUCT-DIRECTORY]\login.php</b> on line <b>29</b><br />
Credits: 
Jesper Jurcenoks
Co-founder netVigilance, Inc
www.netvigilance.com