Re: [Full-disclosure] Re: RSA SecurID SID800 Token vulnerable by design

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On 9/9/06, 3APA3A <3APA3A@xxxxxxxxxxxxxxxx> wrote:
 The  only  additional  attack factor this issue creates is attacker can
 get  _physical_  access  to  console with user's credentials _any time_
 while  user is logged in, while in case token can not be red (e.g. it's
 not plugged to USB) he can only access console short after user logs in
 to compromised host (while token is not changed).

For web SSO in particular, accessing the token once is nearly as good
as accessing it constantly.  The token will be used for the initial
authentication, but normally a cookie will be used for session
tracking.  An attacker who can sniff the token code can certainly
steal the cookie as well.

Two-factor auth cannot be said to make accessing the network from a
compromised PC "safe".  That does not make two-factor auth useless.
With plain passwords, once the attacker has the password, they can
access the network at will.  With two-factor auth, they can access the
network for a much more limited time span.

Regards,
Brian

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