Conectiva Linux Security Announcement – exim

From: secure@conectiva.com.br
Subject: [CLA-2001:402] Conectiva Linux Security Announcement –
exim Date: Wed, 13 Jun 2001 16:28:16 -0300
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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : exim SUMMARY : Format string vulnerability in exim DATE :
2001-06-13 16:27:00 ID : CLA-2001:402 RELEVANT RELEASES : 6.0
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DESCRIPTION “exim” is a popular mail server (MTA) that is included
in many GNU/Linux distributions. Megyer Laszlo reported a format
bug vulnerability in the exim package that could lead to a
compromise if exim is run as root. This software is not installed
by default on Conectiva Linux 6.0 and, even if installed, the
default configuration is not vulnerable because it does not include
the “headers_check_syntax” option in the /etc/exim.conf
configuration file which is needed to trigger the bug. If, however,
that option is enabled, and exim is also used to process batched
SMTP input (via the -bS command-line option), then the service
becomes vulnerable and a remote attack becomes possible. SOLUTION
All exim users are urged to upgrade their packages. Please note
that this update will restart exim if the daemon is already
running. REFERENCES http://www.securityfocus.com/bid/2828/
DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/exim-3.16-4U60_1cl.src.rpm

ftp://atualizacoes.conectiva.com.br/6.0/RPMS/exim-3.16-4U60_1cl.i386.rpm

ftp://atualizacoes.conectiva.com.br/6.0/RPMS/exim-doc-3.16-4U60_1cl.i386.rpm

ftp://atualizacoes.conectiva.com.br/6.0/RPMS/exim-mon-3.16-4U60_1cl.i386.rpm
ADDITIONAL INSTRUCTIONS Users of Conectiva Linux version 6.0 or
higher may use apt to perform upgrades of RPM packages: – add the
following line to /etc/apt/sources.list if it is not there yet (you
may also use linuxconf to do this): rpm [cncbr]
ftp://atualizacoes.conectiva.com.br 6.0/conectiva updates (replace
6.0 with the correct version number if you are not running CL6.0) –
run: apt-get update – after that, execute: apt-get upgrade Detailed
instructions reagarding the use of apt and upgrade examples can be
found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en
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All packages are signed with Conectiva’s GPG key. The key and
instructions on how to import it can be found at http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can
be found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en
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