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A case of actual protection of my Gentoo box by Grsecurity
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miroR
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Joined: 05 Mar 2008
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PostPosted: Wed Aug 21, 2013 8:17 am    Post subject: A case of actual protection of my Gentoo box by Grsecurity Reply with quote

Long time on from:
https://forums.gentoo.org/viewtopic-t-905472-highlight-miror.html
where I discovered what the other the NSA's solution for "securing" your system was...
I think I now might have a case in hand for Grsecurity doing great work to defend my systems.

Pls. go and find out for yourself:
https://forums.grsecurity.net/viewtopic.php?f=3&t=3709&sid=60bf798f0831a707c94fd20467647e01
grsec: halting the system due to suspicious kernel crash

I am dead tired and long due to other obligations in life currently, so I won't be soon to respond if anybody is interested to exchange opinions here.
I will be back, just pls. allow longer time.

Thank you!
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PaulBredbury
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PostPosted: Wed Aug 21, 2013 1:26 pm    Post subject: Reply with quote

You've found a use-after-free bug, and spun it into the NSA trying to hack you?! Why so paranoid?
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miroR
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PostPosted: Fri Aug 23, 2013 10:58 am    Post subject: Reply with quote

PaulBredbury wrote:
You've found a use-after-free bug, and spun it into the NSA trying to hack you?! Why so paranoid?

Yes I do think NSA is hacking people. Why do you think that is paranoid?
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broken_chaos
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PostPosted: Fri Aug 23, 2013 5:51 pm    Post subject: Reply with quote

There's a difference between "hacking people" and "hacking you". There's a much large number of criminals trying to take over servers for various sorts of botnets than there is NSA.

Plus it sounds like you just ran into a bug in the NFS stack, not an attack.
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sikpuppy
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PostPosted: Sat Aug 24, 2013 12:53 pm    Post subject: Reply with quote

Oh no, it's back. A total nutbar.
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desultory
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PostPosted: Mon Aug 26, 2013 2:35 am    Post subject: Reply with quote

sikpuppy wrote:
Oh no, it's back. A total nutbar.
Can we please leave that sort of thing exclusively to Off the Wall?

Moved from Networking & Security to Off the Wall.
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wswartzendruber
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PostPosted: Mon Aug 26, 2013 5:12 am    Post subject: Reply with quote

SELinux doesn't seem all that bad to me, other than it's about containing a bomb after it's already gone off. I'd rather try to keep the bomb from going off in the first place.

Oh and the kernel devs might want to know about your NFS issue.
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Bones McCracker
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PostPosted: Mon Aug 26, 2013 10:31 am    Post subject: Reply with quote

miroR wrote:
PaulBredbury wrote:
You've found a use-after-free bug, and spun it into the NSA trying to hack you?! Why so paranoid?

Yes I do think NSA is hacking people. Why do you think that is paranoid?

They track the associations of the general public, with data from ISPs. They hack suspected terrorists (and people on Obama's Enemies List, like government officials and news reporters with bad things to say about him). So unless you're one of those people, I wouldn't get my panties in too much of a bunch over it. It's more likely the Chinese, or a bug, or PEBKAC.
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wswartzendruber
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PostPosted: Mon Aug 26, 2013 2:05 pm    Post subject: Reply with quote

Aren't use-after-free errors pretty common? It's a memory management issue. The kernel is written in C. It seems obvious to me.
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sikpuppy
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PostPosted: Mon Aug 26, 2013 2:30 pm    Post subject: Reply with quote

desultory wrote:
sikpuppy wrote:
Oh no, it's back. A total nutbar.
Can we please leave that sort of thing exclusively to Off the Wall?

Moved from Networking & Security to Off the Wall.
Apologies. I thought this was in Off the Wall already.
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Bones McCracker
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PostPosted: Mon Aug 26, 2013 2:32 pm    Post subject: Reply with quote

It's okay, that's where it belonged anyway. :P
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miroR
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PostPosted: Tue Aug 27, 2013 7:02 am    Post subject: Reply with quote

The only reason why I didn't reply before is because I was really busy, and still am.
And there isn't anymore need now that it's misplaced.
Off the walll?

Who's nut here.

Really couldn't be back so soon even it it was were it belonged.
Not here.

Thanks!

Miroslav Rovis
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sikpuppy
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PostPosted: Tue Aug 27, 2013 7:27 am    Post subject: Reply with quote

miroR wrote:
The only reason why I didn't reply before is because I was really busy, and still am.
And there isn't anymore need now that it's misplaced.
Off the walll?

Who's nut here.

Really couldn't be back so soon even it it was were it belonged.
Not here.

Thanks!

Miroslav Rovis
What?
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Bones McCracker
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PostPosted: Tue Aug 27, 2013 9:45 am    Post subject: Reply with quote

He's saying, "I'd have checked back sooner but I've been busy. What's this 'Off The Wall' shit? You guys are the nuts, not me. Not going to bother, now that my post has been sloughed off from where it belonged into batshit-land."
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notageek
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PostPosted: Tue Aug 27, 2013 9:55 am    Post subject: Reply with quote

:lol: :lol:
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sikpuppy
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PostPosted: Tue Aug 27, 2013 11:32 am    Post subject: Reply with quote

Thanks BablefishKracker.
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Prenj
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PostPosted: Tue Aug 27, 2013 11:37 am    Post subject: Reply with quote

BoneKracker wrote:
He's saying, "I'd have checked back sooner but I've been busy. What's this 'Off The Wall' shit? You guys are the nuts, not me. Not going to bother, now that my post has been sloughed off from where it belonged into batshit-land."

Well, I know that I am nuts, and I also know that you can surf it :)
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Bones McCracker
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PostPosted: Tue Aug 27, 2013 2:18 pm    Post subject: Reply with quote

sikpuppy wrote:
Thanks BablefishKracker.

You're welcome. And I want you to take note that while you guys all think I'm a raging Penisaurus Rex, what made that translation possible is something called "empathy". :P


Last edited by Bones McCracker on Tue Aug 27, 2013 2:31 pm; edited 1 time in total
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notageek
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PostPosted: Tue Aug 27, 2013 2:20 pm    Post subject: Reply with quote

:lol: :lol:
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