Bug: Cisco BBSM Captive Portal Cross-site Scripting ( Ascii Version )

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Cisco BBSM Captive Portal Cross-site Scripting

Published
Credit
Risk
2008.05.19
Brad Antoniewicz
Low
CWE
CVE
Local
Remote
CWE-79
CVE-2008-2165
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None

Title: Cisco BBSM Captive Portal Cross-site Scripting

-------------------------------------------------------------

Vendor: Cisco Systems

Vendor URL: www.cisco.com

Vendor Response: Vendor has been notified and has since addressed the issue in the latest software release.

Description:

A non-persistent XSS vulnerability is present within the AccessCodeStart.asp page. A

malicious user may leverage this to possibly gain access client information in captive

portal/hotspot locations using this software.

Example:

http://host/ekgnkm/AccessCodeStart.asp?msg=%3Cscript%3Ealert(%22XSS%22);
%3C/script%3E

Patch Information:

Patch URL -

http://tools.cisco.com/support/downloads/go/ImageList.x?relVer=5.3&mdfid
=278455427&sftType=Building%20Broadband%20Service%20Manager%20(BBSM)%20U
pdates&optPlat=&nodecount=2&edesignator=null&modelName=Cisco%20Building%
20Broadband%20Service%20Manager%205.3&treeMdfId=281527126&treeName=Netwo
rk%20Monitoring%20and%20Management

Download BBSMPatch5332.zip

CVE: CVE-2008-2165

Credit:

Brad Antoniewicz

brad.antoniewicz (at) foundstone (dot) com [email concealed]

See this note in TXT Version

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Ascii Version