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Dell SonicWALL Global Management System GMS 8.1 Adobe Flex SOP Bypass


Vendor: Dell Inc.
Product web page: https://www.sonicwall.com/products/sonicwall-gms/
Affected version: 8.1
                  8.0 SP1 Build 8048.1410
                  Flow Server Virtual Appliance

Fixed in: 8.2 (VR-2016-01-C1F)

Summary: Provide your organization, distributed enterprise or managed
service offering with an intuitive, powerful way to rapidly deploy and
centrally manage SonicWall solutions, with SonicWall GMS. Get more value
from your firewall, secure remote access, anti-spam, and backup and recovery
solutions with enhanced network security monitoring and robust network
security reporting. By deploying GMS in an enterprise, you can minimize
administrative overhead by streamlining security appliance deployment
and policy management.

Desc: Dell SonicWALL GMS versions 8.1 and below are compiled with
a vulnerable version of Adobe Flex SDK allowing for same-origin
request forgery and cross-site content hijacking.

Tested on: SonicWALL
           MySQL/5.0.96-community-nt
           Apache-Coyote/1.1
           Apache Tomcat 6.0.41


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2016-5390
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5390.php

Vendor: https://support.sonicwall.com/product-notification/215257?productName=SonicWALL%20GMS
CVE ID: CVE-2011-2461
CVE URL: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2461
Adobe: https://www.adobe.com/support/security/bulletins/apsb11-25.html
Tool: https://github.com/ikkisoft/ParrotNG - Adobe Flex resourceModuleURLs SOP Bypass (CVE-2011-2461)
Blog: http://blog.nibblesec.org/2015/03/the-old-is-new-again-cve-2011-2461-is.html


26.01.2016

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GET http://127.0.0.1/sgms/flex/sonictoday/SonicToday.swf HTTP/1.1

C:\Users\zslab\Desktop>java -jar parrotng_v0.2.jar SonicToday.swf
:: ParrotNG v0.2 ::

[*] Analyzing C:\Users\zslab\Desktop\SonicToday.swf
[*] Flex application detected
[*] It contains ModuleInfo::load
[*] It was compiled with an old SDK version
[*] It was not patched
[*]=> VULNERABLE!

GET http://127.0.0.1/sgms/flex/ng/VPNG.swf HTTP/1.1

C:\Users\zslab\Desktop>java -jar parrotng_v0.2.jar VPNG.swf
:: ParrotNG v0.2 ::

[*] Analyzing C:\Users\zslab\Desktop\VPNG.swf
[*] Flex application detected
[*] It contains ModuleInfo::load
[*] It was compiled with an old SDK version
[*] It was not patched
[*]=> VULNERABLE!