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Date: Tue, 17 Jan 2012 14:23:09 -0700
From: Kurt Seifried <>
CC: Yves-Alexis Perez <>
Subject: Re: gpw password generator giving short password at
 low rate

On 01/17/2012 02:24 AM, Yves-Alexis Perez wrote:
> On mar., 2012-01-17 at 11:17 +0200, Henri Salo wrote:
>> On Tue, Jan 17, 2012 at 09:51:05AM +0100, Yves-Alexis Perez wrote:
>>> we were pointed at a bug in gpw (a password generator), which makes it
>>> generate shorter password than required at a rate of ~20 over 1 million.
>>> The bug is at
>>> (so already public) and I'm wondering if that deserves a CVE:
>>> * gpw seems unmaintained (upstream and in Debian since around 2006)
>>> * I'm not sure people even use it
>>> * people using it interactively will notice the password has the wrong
>>> size
>>> But as it may be used in a script, then it might still be a real issue.
>>> What do people think?
>> I think this is security issue and should receive CVE. Is this program
>> used in other distributions we could notify? Has this been fixed in
>> other versions?
> Not that I know of (but I didn't know anything about gpw before reading
> that bug report). It should be present in Debian derivatives, at least.
> Regards,
Please use CVE-2011-4931 for this issue.


-- Kurt Seifried / Red Hat Security Response Team

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