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NetCommWireless NB604N ADSL2+ Wireless N300 Modem Router contains a stored cross-site scripting vulnerability

Vulnerability Note VU#941108

Original Release Date: 2014-10-06 | Last Revised: 2014-10-06

Overview

NetCommWireless NB604N ADSL2+ Wireless N300 Modem Router contains a stored cross-site scripting (XSS) vulnerability.

Description

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

NetCommWireless NB604N ADSL2+ Wireless N300 Modem Routers running software version GAN5.CZ56T-B-NC.AU-R4B010.EN contain a stored cross-site scripting (XSS) vulnerability. A remote attacker can perform a stored cross-site scripting (XSS) attack against an authenticated user through the web interface by manipulating single quotes in the WPA key variable (wlWpaPsk). The Wireless -> Security page (wlsecurity.html) contains an unsanitized parameter wlWpaPsk which, when submitted, is stored as the Javascript variable wpaPskKey.

Impact

A remote attacker can perform a stored cross-site scripting (XSS) attack against an authenticated user through the web interface allowing them to run scripts with the permission of the authenticated user.

Solution

Apply an Update
NetCommWireless has provided an updated firmware version, GAN5.CZ56T-B-NC.AU-R4B030.EN, for download on their support site.

Vendor Information

941108
Expand all

NetComm Wireless Limited

Notified:  September 05, 2014 Updated:  October 06, 2014

Status

  Affected

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

Addendum

There are no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.


CVSS Metrics

Group Score Vector
Base 3.5 AV:N/AC:M/Au:S/C:P/I:N/A:N
Temporal 3.1 E:POC/RL:U/RC:ND
Environmental 2.3 CDP:ND/TD:M/CR:ND/IR:ND/AR:ND

References

Credit

Thanks to Katie Duczmal for reporting this vulnerability.

This document was written by Chris King.

Other Information

CVE IDs: CVE-2014-4871
Date Public: 2014-10-06
Date First Published: 2014-10-06
Date Last Updated: 2014-10-06 17:18 UTC
Document Revision: 7

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