[CVE-2013-5702] Watchguard Server Center v11.7.4 Multiple Non-Persistent Cross-Site Scripting Vulnerabilities

Watchguard Server Center v11.7.4 Multiple Non-Persistent Cross-Site
Scripting Vulnerabilities

RCE Security Advisory
http://www.rcesecurity.com

1. ADVISORY INFORMATION

Product: Watchguard Server Center
Vendor URL: www.watchguard.com
Type: Cross-Site Scripting [CWE-79]
Date found: 2013-09-11
Date published: 2013-10-21
CVSSv2 Score: 3,5 (AV:N/AC:M/Au:S/C:N/I:P/A:N))
CVE: CVE-2013-5702

2. CREDITS

These vulnerabilities were discovered and researched by Julien Ahrens
from RCE Security.

3. VERSIONS AFFECTED

Watchguard Server Center v11.7.4 Update #1
and other older versions may be affected too.

4. VULNERABILITY DESCRIPTION

Multiple Non-Persistent Cross-Site Scripting vulnerabilities have been
identified in the Watchguard Server Center v11.7.4 Update #1.

Due to improper input - validation of the following GET parameters, an
attacker could temporarily inject arbitrary code with required
authenticated user interaction into the context of the Watchguard Server
Center / current browser session. Successful exploitation of these
vulnerabilities allows for example cookie theft, session hijacking or
client side context manipulation.

Vulnerable modules and parameters:
+/log/device?sn=random&cluster_id=<XSS>&l_t=tr&name=random
+/log/device?sn=random&cluster_id=random&l_t=tr&name=<XSS>
+/log/log_html_distribution?sn=random&cluster_id=random&name=<XSS>

5. PROOF-OF-CONCEPT (CODE / EXPLOIT)

https://192.168.0.1:4130/log/device?sn=random&amp;cluster_id=&amp;l_t=tr&amp;name=&lt;script&gt;alert&#40;&#39;rcesecurity.com&#39;&#41;&lt;/script&gt;

6. SOLUTION

Update to Watchguard Server Center v11.8 which fixes these issues

7. REPORT TIMELINE

2013-09-05: Discovery of the vulnerability
2013-09-05: MITRE assigns CVE-2013-5702 for this issue
2013-09-11: RCE Security sends vulnerability details to Watchguard via mail
with disclosure date set to 26. September 2013
2013-09-12: Watchguard ACKs all reported flaws, assigns bug ids: #76179 and
#76363 and shows possible mitigation factors
2013-09-26: RCE Security provides a PoC bypassing the mitigation factors and
extends disclosure date to 17. October 2013
2013-09-30: RCE Security asks for status update
2013-10-10: Watchguard releases v11.8 which fixes all reported
vulnerabilities
2013-10-21: Responsible Disclosure

8. REFERENCES

http://www.rcesecurity.com/2013/10/cve-2013-5702-watchguard-server-center-v11-7-4-multiple-xss-vulnerabilities/
http://watchguardsecuritycenter.com/2013/10/17/xtm-11-8-secfixes/