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Barracuda SSL VPN 680Vx 2.3.3.193 Multiple Script Injection Vulnerabilities

Medium
Advisory ID
ZSL-2013-5147
Release Date
01 July 2013
Vendor
Barracuda Networks, Inc. - https://www.barracuda.com
Affected Version
2.3.3.193, Model: V680
CVE
N/A
Tested On
Linux 2.4.x, Jetty Web Server
Summary

The Barracuda SSL VPN is a powerful plug-and-play appliance purpose-built to provide remote users with secure access to internal network resources.

Description

Barracuda SSL VPN suffers from multiple stored XSS vulnerabilities when parsing user input to several parameters via POST method. Attackers can exploit these weaknesses to execute arbitrary HTML and script code in a user's browser session.

Proof of Concept
barracuda_sslvpn_xss.txtTXT
Disclosure Timeline
05.03.2013Vulnerabilities discovered.
16.03.2013Contact with the vendor.
17.03.2013Vendor replies.
19.03.2013Working with the vendor.
28.03.2013Vendor confirms issues, track BNSEC-1239.
15.04.2013Asked vendor for status update.
17.04.2013Vendor replies.
18.04.2013Confirming that the issues are still present on the demo test sites. (v2.3.3.193)
07.05.2013Vendor informs that the version 2.3.3.216 since 13.03.2013 is patched from these issues.
08.05.2013Coordinating with the vendor.
08.06.2013Vendor confirms that as of firmware version 2.3.3.216 the issues have been resolved.
01.07.2013Coordinated public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
[1]http://updates.cudasvc.com/cgi-bin/view_release_notes.cgi?type=bvsware&version=2.3.3.216
[2]http://barracudalabs.com/?page_id=3456
[3]http://barracudalabs.com/?page_id=3458
[4]http://www.exploit-db.com/exploits/26527/
[5]http://cxsecurity.com/issue/WLB-2013070014
[6]http://1337day.com/exploit/20959
[7]http://packetstormsecurity.com/files/122245
[8]http://www.osvdb.org/show/osvdb/94727
[9]http://www.osvdb.org/show/osvdb/94728
[10]http://www.osvdb.org/show/osvdb/94729
[11]http://www.osvdb.org/show/osvdb/94730
[12]http://www.osvdb.org/show/osvdb/94731
[13]http://secunia.com/advisories/53982/
[14]http://www.securityfocus.com/bid/60906
[15]http://xforce.iss.net/xforce/xfdb/85419
[16]http://securitytracker.com/id/1028736
[17]http://www.scip.ch/en/?vuldb.9310
[18]http://www.scip.ch/en/?vuldb.9311
[19]http://www.scip.ch/en/?vuldb.9312
[20]http://www.scip.ch/en/?vuldb.9313
[21]http://www.scip.ch/en/?vuldb.9314
[22]http://www.securiteam.com/securitynews/6M0372A8KA.html
[23]http://www.securiteam.com/securitynews/6J037158UM.html
[24]https://campus.barracuda.com/product/campus/knowledgebase/5016000000146jvAAA/BNSEC-01239+Authenticated-+non-persistent+XSS+vulnerability++in+SSL+VPN/
Changelog
01.07.2013Initial release
02.07.2013Added reference [4], [5], [6], [7], [8], [9], [10], [11] and [12]
03.07.2013Added reference [13] and [14]
07.07.2013Added reference [15] and [16]
19.07.2013Added reference [17], [18], [19], [20] and [21]
31.10.2013Added reference [22]
15.11.2013Added reference [23]
18.12.2021Added reference [24]