notfound 481347 1:8.1.2-0.20050715cvs-1
reassign 481347 sendmail-bin 8.13.8-3
thanks

On Thu, 15 May 2008, Gerfried Fuchs wrote:

Hi,

Sorry about the delay, I haven't noticed the bug until today :(

> 
>  The problem that it is world readable lies in the used tool mail,
> coming from the mailx package. The information exposure problem is not
> limited to logcheck here, it in fact is a more general problem residing
> in mailx that it doesn't tighten the file permission of the dead.letter
> file it creates.

No, mailx correctly sets umask to 077 before creating a dead.letter
file. The problem might be in sendmail binary which is spawned by mailx.
I use postifx and can't reproduce the bug with it. 

Stefanos, could you please check if you get the dead.letter after the
following commands:
umask 000
yes | dd  count=102400 | /usr/sbin/sendmail -t `id -u`

Best Regards,
robert

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