Cisco BBSM Captive Portal Cross-site Scripting

2008.05.19
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


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


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