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Date: Thu, 24 Jul 2008 03:23:33 +0200
From: Robert Buchholz <rbu@...too.org>
To: oss-security@...ts.openwall.com
Cc: Josh Bressers <bressers@...hat.com>,
Jamie Strandboge <jamie@...onical.com>,
"Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request for dnsmasq DoS
On Wednesday 23 July 2008, Josh Bressers wrote:
> On 8 July 2008, Jamie Strandboge wrote:
> > I finally had time to develop a PoC and confirm this on my own. A
> > client need only send a DHCPREQUEST for an IP address not on the
> > same network as dnsmasq. Eg:
> >
> > 1. dnsmasq listening on and giving IP addresses for
> > 192.168.122.0/24 2. client requests IP address on another network,
> > such as 192.168.0.1 3. dnsmasq 2.25 (and presumably earlier)
> > crashes
>
> It seems there is also a problem with newer dnsmasq that is very
> similar to this:
> http://bugs.gentoo.org/show_bug.cgi?id=232523
>
> That problem appears to be pretty much the same thing, but affecting
> versions 2.43 - 2.45
I also had to think of this <2.26 issue when I saw the bug, but I did
not get to request a CVE yet, so thank you.
> Did this ever get a CVE id?
Yes, the <2.26 one is CVE-2008-3214.
Robert
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