[[Infowarrior] - NSA Said to Have Used Heartbleed Bug for Years]

Matthew Petach mpetach at netflight.com
Tue Apr 15 03:55:38 UTC 2014


On Mon, Apr 14, 2014 at 7:47 PM, Doug Barton <dougb at dougbarton.us> wrote:

> On 04/14/2014 05:50 PM, John Levine wrote:
>
>> In article <534C68F4.305 at cox.net> you write:
>>
>>> On 4/14/2014 9:38 AM, Matthew Black wrote:
>>>
>>>> Shouldn't a decent OS scrub RAM and disk sectors before allocating
>>>> them to processes, unless that process enters processor privileged
>>>> mode and sets a call flag? I recall digging through disk sectors on
>>>> RSTS/E to look for passwords and other interesting stuff over 30
>>>> years ago.
>>>>
>>>
>>> I have been out of the loop for quite a while but my strongly held
>>> belief is that such scrubbing would be an enormous (and intolerable)
>>> overhead ...
>>>
>>
>> It must be quite a while.  Unix systems have routinely cleared the RAM
>> and disk allocated to programs since the earliest days.
>>
>
> When you say "clear the disk allocated to programs" what do you mean
> exactly?
>

Is that like "sudo rm -rf /bin" ?

;P

Matt



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