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Home » Hacking News » Cisco IOS bug

Cisco IOS bug

by Nikola Strahija on July 1st, 2005 Cisco has reported a flaw in its IOS operating system, widely used in routers and other networking hardware, which could allow attackers to bypass authentication.

Cisco said a vulnerability in Cisco IOS could be exploited to bypass the Remote Dial In User Service (RADIUS), which could allow an attacker to access a vulnerable network.

The bug affects particular versions of IOS, and only affects those with a particular configuration setting - the fallback method must be set to "none". Cisco specifies which versions are vulnerable, and makes patches available, in an advisory on its website.

The company said workarounds are also possible to make the bug less dangerous.

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