full-disclosure - Re: BIOS Flash erases all prior passwords on Acer Aspire 5102WLMi

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Date: Tue, 05 Dec 2006 16:53:42 -0500
From: Valdis.Kletnieks@...edu
To: Tyop? <tyoptyop@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: BIOS Flash erases all prior passwords on Acer
	Aspire 5102WLMi

On Tue, 05 Dec 2006 22:37:36 +0100, Tyop? said:
> On 12/5/06, richard cassidy <digital.richard@...il.com> wrote:
> > Flashing the bios on Acer Aspire 5102WLMi will erase all passwords
> > previously set.  This is obviously a bug!  All passwords should not be
> > wiped out with a bios flash (or at least they weren't on a Dell).  Or,
> > if they are, it should be stated up front so the passwords can be set
> > again once the bios is "updated'".
> 
> Flashing the bios will erase all data.

So the big question becomes - on an Acer, are the passwords stored in the
BIOS flash memory (in which case, having them evaporate on a BIOS flas is
reasonable), or are they on the NVRAM chip, in which case it's a bug/misfeature?

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