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Broadband router vendor's default passwords...HACKED!
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Written by Daniel   
Friday, 16 February 2007 08:20
New 'Drive-By' Attack Is Remote
DarkReading

FEBRUARY 15, 2007 | They're calling it "drive-by pharming." But unlike war driving, an attacker doesn't have to be anywhere in the vicinity to stage this newly discovered type of attack, which can give him/her access to personal data such as your bank account.

The invasion is a simple one. The attacker uses a broadband router vendor's default passwords -- some of which can be found with a Net search -- to take control of such routers, which are found all over small businesses, homes, and WiFi hotspots. But first, the victim must visit a Website infected with malicious JavaScript code, which uses the dreaded Cross Site Request Forgery (CSRF) technique in the browser to log into your local broadband router and change its settings to control where you go on the Web.

Millions of users worldwide could be vulnerable to this attack, says Zulfikar Ramzan, senior principal researcher for Symantec Security Response, who recently co-developed the proof-of-concept for this attack.

"Instead of a real bank address, it sends them to a fake bank Web page that looks real, or to [fake versions of] major brands like PayPal and eBay and it can see anything you're typing," Ramzan explains. "The attacker can control whatever server you go to... And you'd see the attacker's Web page, but never know the difference."

The POC attack simulates login access to routers with Web management interfaces, and it changes their DNS settings to a rogue DNS server that controls where the user goes, sending them to its infected sites instead of the intended ones. Then the attacker can grab any sensitive data the victim provides on those sites, such as credit card or bank account data. But the attack can only be executed via broadband routers and wireless access points with Web management interfaces, Ramzan says.... More

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