[c-nsp] 3750 and CVE-2018-0167

[Sebastian Beutel]

Hi Brian,

On Thu, May 31, 2018 at 07:03:23PM +0200, Brian Turnbow wrote:
> 
> We don't use lldp, but you can turn it off on an interface by interface
> bassis.
>
We need lldp because our ip phones learn their voice vlan via lldp. We can't
define dedicated phone ports because people are used to plug in their phone
wherever they choose to. 

>
> Why run it on ports with devices outside of your control?
>
We didn't choose so. Universities had byod long before it had a name...

Best,
    Sebastian.
 
> 
> > -----Original Message-----
> > From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> > Sebastian Beutel
> > Sent: mercoledì 30 maggio 2018 17:52
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] 3750 and CVE-2018-0167
> >
> > Dear list,
> >
> >     we're still having some Cat 3750 in operation and it will still take
> some time
> > till we can retire the last ones. We've asked Cisco whether they are
> planning
> > to publish a new software image for this platform that fixes
> > CVE-2018-0167 despite the fact that the product is way beyond end of
> > security and vulnerability support.
> >     Our Cisco representative stated that they are not planning to do so
> despite
> > the severity of the bug. He also said we're the only customer having
> this issue.
> > So my question is: If you're still running 3750s, how do you deal with
> this?
> >
> > Best,
> >    Sebastian.
> >
> > P.S.: Cisco's advisory:
> >
> https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp