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Network Security Focus-Linux
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RE: CAN-2004-1137

Subject: RE: CAN-2004-1137
Date: Fri, 31 Dec 2004 08:43:24 +1000
Sorry I should have included that info. Slackware 10. kernel 2.4.26.
 

-----Original Message-----
From: xyberpix [mailto:xyberpix@xyberpix.com] 
Sent: Friday, 31 December 2004 3:59 AM
To: hilton de meillon
Cc: focus-linux@securityfocus.com
Subject: Re: CAN-2004-1137

Hi hilton,

I have to ask, what kernel are you running, and what version of Slack?

xyberpix

On Thu, 2004-12-30 at 12:08 +1000, hilton de meillon wrote:
Hi All,

Can anyone tell me why not many distros have an update for the 
CAN-2004-1137 (among other kernel vulnerabilities) yet ?.

Ubuntu, Redhat, SuSe have updated kernels but pretty much all the rest 
do not have an updated kernel for this issue.

Secondly would 'iptables -A INPUT -p IGMP -j REJECT' protect my 
machine from remote attacks ?.

I tried this rule and then ran the proof of concept exploit from 
http://www.securityfocus.com/bid/11917/solution/ and it still crashed 
my
(slackware) machine. I am assuming that it connects over a unix socket 
or exploits one of the non-networked vulnerabilities as according to 
secfocus there are three actual vulnerabilities contained in this
vulnerability.

Lastly I would have to say that this is a bit of a shocker for the 
linux community, this vulnerability could be used with devastating 
effect, I am a bit disappointed with linux in this regard.

Any comments appreciated.

hilton


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