Fwd: Re: About IR Receivers and security
Egoitz Aurrekoetxea <egoitz-Q/[email protected]>
| Newsgroups | gmane.comp.hardware.lirc |
|---|---|
| Message-ID | <[email protected]> |
-------- Forwarded Message -------- Subject: Re: About IR Receivers and security Date: Fri, 13 Oct 2017 20:13:43 +0200 From: Fredric QJ Blåholtz <[email protected]> To: Egoitz Aurrekoetxea <egoitz-Q/[email protected]> On 13 October 2017 at 14:56, Egoitz Aurrekoetxea <egoitz-Q/[email protected]> wrote: > > > On 13/10/17 13:26, Alec Leamas wrote: >> Hi. >> >> First of all: please don't top-post. The archives becomes a mess. >> >> On 13/10/17 13:03, Egoitz Aurrekoetxea wrote: >>> Hi Alec! >>> >>> >>> The question wasn't that... I now know how to do it through sysfs...... >>> the question is : >>> >>> >>> "Can you suffer a security issue having the IR Receiver operative >>> although without configuring any kind of user space daemon? At least... >>> not conscientiously.... >> >> Well, if you consider an arbitrary input device a problem, yes. The >> kernel provides decoding of many ir remotes out of the box and without >> any userspace code. >> >> >> --alec >> >> ------------------------------------------------------------------------------ >> >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > Hi Alec! > > Sorry for top posting. I consider a problem, when an arbitrary device > could perform some kind of request to your system.... not just the fact > of writing to a /dev file.... if later that content becomes inoffensive > if something else does not > interpret it and then does something consequently..... that's what I > was wondering, if you an experts of this kind of communication device or > the own protocol, could know if by the fact of being listening (because > the module load) in irda > without later having configured nothing conscientiously (at least) to > act with that input, could cause any kind of problem to a computer.... > > Just that... not just the fact of receiving input... a wifi device > receives input constantly.... but later it connects where you say to > wpa_supplicant for instance.... so I have just had loaded the > hid-generic kernel module... but nothing else... just > if that could become dangerous if someone could... you know... or if you > recommend reinstalling the os... > > Best regards, > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot Put a piece of tape over the IR receiver - problem solved (just as some Facebook inventor uses tape over his laptop camera). ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot