I wouldn't think Javascript would have the accurate timing required to leverage 
this attack, but I don't really know enough about the language.

Regardless, is there someone within FreeBSD that is working on patches for this 
set of problems, at least for Intel? Linux already has at least some, and I 
believe NetBSD does too. Of course Windows has already pushed out a Windows10 
fix, 7 and 8 are coming.

....................................
Andrew L. Duane - Principal Resident Engineer
AT&T Advanced Services Technical Lead
Juniper Quality Ambassador
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adu...@juniper.net

-----Original Message-----
From: owner-freebsd-hack...@freebsd.org 
[mailto:owner-freebsd-hack...@freebsd.org] On Behalf Of Eric McCorkle
Sent: Friday, January 5, 2018 7:43 AM
To: Jules Gilbert <repeatable_compress...@yahoo.com>; Ronald F. Guilmette 
<r...@tristatelogic.com>; Freebsd Security <freebsd-security@freebsd.org>; 
Brett Glass <br...@lariat.org>; Dag-Erling Smørgrav <d...@des.no>; Poul-Henning 
Kamp <p...@phk.freebsd.dk>; freebsd-a...@freebsd.org; FreeBSD Hackers 
<freebsd-hack...@freebsd.org>; Shawn Webb <shawn.w...@hardenedbsd.org>; Nathan 
Whitehorn <nwhiteh...@freebsd.org>
Subject: Re: Intel hardware bug

On 01/05/2018 05:07, Jules Gilbert wrote:
> Sorry guys, you just convinced me that no one, not the NSA, not the 
> FSB, no one!, has in the past, or will in the future be able to 
> exploit this to actually do something not nice.

Attacks have already been demonstrated, pulling secrets out of kernel space 
with meltdown and http headers/passwords out of a browser with spectre.  
Javascript PoCs are already in existence, and we can expect them to find their 
way into adware-based malware within a week or two.

Also, I'd be willing to bet you a year's rent that certain three-letter 
organizations have known about and used this for some time.

> So what is this, really?, it's a market exploit opportunity for AMD.

Don't bet on it.  There's reports of AMD vulnerabilities, also for ARM.
I doubt any major architecture is going to make it out unscathed.  (But if one 
does, my money's on Power)


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