Bug#930648: exim4-daemon-heavy: Weird leakage of unrelated data like /etc/aliases into /var/spool/exim4/input/*-H
Andreas Metzler
ametzler at bebt.de
Fri Jun 21 08:58:35 BST 2019
On 2019-06-19 Bjoern Buerger <b.buerger at pengutronix.de> wrote:
> * Andreas Metzler (ametzler at bebt.de) [190618 19:15]:
[...]
> > Could you try
> > a) disabling BDAT (set chunking_advertise_hosts = )
> > b) try a backport of sa-exim 4.2.1-17?
> > See #879687.
> We could give it a try, but I don't see the point.
Did you test it yet?
> Judging from the #879687 description I find it hard
> to believe that large chunks of local files like
> /etc/aliases (~100 lines) would end up in spool files
> due to this bug. But maybe I don't see the whole
> picture yet?
With BDAT some versions of sa-exim can misparse the spool-file and write
back invalid data.
cu Andreas
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