Re: Cisco 6509 switch telnet vulnerability
I could not replicate this on a 6509 using remote authentication
and secureID, and those are the only ones we have around. Has
anyone been able to replicate this?
--- Bob Niederman <btrq@xxxxxxxxx> wrote:
>
>
>
> While this is clearly a bug, the example given does not show
> that it's
> serious. The example (and the statement "...as long as they
> are followed
> by a space and a ?") shows that you have gotten the syntax for
> the next
> parameter of the command, not that you have executed it.
>
>
> ---
> My mail server bit-buckets mail to this address which is not
> from securityfocus.com servers. To email me, send to
> bob AT bob-n DOT com
>
> On 3 Oct 2003, Chris Norton wrote:
>
> >
> >
> > A vulnerability has been found on Cisco 6509 switches. The
> > vulnerability was found to work on 2 different Cisco 6509
> switches
> > running CATOS 5.4(2) and 5.5(2). The vulnerability can lead
> to
> > information and commands being exectued on the remote switch
> from the
> > login prompt. Commands can be exectued at the Enter
> password: prompt
> > as long as they are followed by a space and a ? Proof of
> concept
> > below: Cisco Systems Console
> >
> > Enter password:
> > <data_size> Size of the packet (0..1420)
> > <cr>
> > Enter password: traceroute 127.0.0.1
> >
> > This vulnerability has yet to be confirmed by Cisco but they
> have been alerted about it.
> >
>
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