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GENTOO LINUX SECURITY ANNOUNCEMENT
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PACKAGE        :amavis
SUMMARY        :possible dos
DATE           :2002-09-05 10:30 UTC

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OVERVIEW

possible DoS attack by a special crafted TAR archive file

DETAIL

The AMaViS shell script version (AMaViS 0.1.x / 0.2.x) uses securetar.
securetar removes the pathes of files in a tar archive and makes each
file name a unique name. Links, character devices, block devices and named
pipes will be removed from the archive.
A special-crafted TAR file may hung securetar forever, using up to
100% CPU time.

More information can be found at:

http://marc.theaimsgroup.com/?l=amavis-announce&m=103121272122242&w=2

SOLUTION

It is recommended that all Gentoo Linux users who are running
net-mail/amavis-0.2.1-r2 and earlier update their systems
as follows:

emerge rsync
emerge amavis
emerge clean

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aliz@gentoo.org - GnuPG key is available at www.gentoo.org/~aliz
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