Full Disclosure: Re: "debug k" freezing Cisco routers?

["Leif Sawyer" <lsawyer () gci com>]

 You didn't mention what version of IOS, nor what type of router.

InetSadcLabGw-1>ena
Password: 
InetSadcLabGw-1#debug k?
kerberos  kron  

InetSadcLabGw-1#debug k
% Ambiguous command:  "debug k"
InetSadcLabGw-1#sho ver

Cisco Internetwork Operating System Software 
IOS (tm) s6523_rp Software (s6523_rp-ADVIPSERVICESK9-M), Version
12.2(18)ZU1, RELEASE SOFTWARE (fc1)


And it seems that you should have.


> -----Original Message-----
> From: full-disclosure-bounces () lists grok org uk 
> [mailto:full-disclosure-bounces () lists grok org uk] On Behalf 
> Of Shawn Merdinger
> Sent: Wednesday, August 01, 2007 8:15 AM
> To: full-disclosure () lists grok org uk
> Subject: [Full-disclosure] "debug k" freezing Cisco routers?
>
> Hi All,
>
> At level 15 permissions, when I enter "debug k" on the CLI 
> the router freezes immediately, requiring a manual reboot.
>
> While not a vulnerability per se, perhaps something to keep 
> in mind from the fat-finger risk?
>
> Anyone else seeing this?
>
> Kindest regards,
> --scm
>
>
> Shawn Merdinger
> Independent Security Researcher
> VoIPninja.com
>
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