DigiOz Guestbook version 1.7 Path Disclosure Vulnerability in list.php
DigiOz Guestbook version 1.7 Path Disclosure Vulnerability in list.php
Description:
The DigiOz Guestbook is a PHP driven guestbook system. The vulnerability exists
in list.php script which allows remote attackers to obtain sensitive
information via an HTTP request to list.php that contains wrong value in page
parameter. This causes sensitive information to be leaked in an error message.
External References:
Mitre CVE: CVE-2006-5651
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5651
NVD NIST : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-5651
OSVDB : 29985 http://www.osvdb.com/displayvuln.php?osvdb_id=29985
Vulnerable Systems:
DigiOz Guestbook version 1.7 and earlier
http://www.digioz.com/phpscripts.php
Non-Vulnerable Systems:
DigiOz Guestbook version 1.7.1 and later
http://www.digioz.com/phpscripts.php
Summary:
DigiOz Guestbook is a popular Open-Source guestbook system for easy embedding
into your own web-site.
A security problem in the product allows attackers to gather the true path of
the server-side script.
Release Date:
November 2 2006
Vulnerability Type:
Input Validation error - The list.php script has a flaw which leads to a Fatal
Error. This is an input validation fault when the script is not testing the
data passed.
Vendor Status: The Vendor has been notified and has released a new version
DigiOz Guestbook 1.7.1 that fixed the problem.
Patch can be downloaded here :
http://www.digioz.com/guestbook/guestbook_v1_7_1.zip
Severity Metrics:
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: Official Fix
Report Confidence: confirmed
Vulnerability Impact: Attack
Host Impact: Path disclosure.
Example:
HTTP REQUEST http://[TARGET]/[DigiOz
Guestbook-directory]/list.php?page=%60&order=asc
REPLY
...
toolbar.jpg" height="20"></td></tr><tr><td><b>Date: </b><br />
<b>Notice</b>: Undefined offset: 11 in <b>D:\WWWRoot\<username>\list.php</b>
on line <b>78</b><br />
<br />
<b>Fatal error</b>: Call to a member function showDate() on a non-object in
<b>D:\WWWRoot\<username>\list.php</b> on line <b>78</b><br />
...
URL of Original Advisory: http://www.netvigilance.com/advisory0005
Credit:
Jesper Jurcenoks
Co-founder netVigilance, Inc.
www.netvigilance.com