Date: Sat, 30 Jun 2001 14:01:51 -0300
From: [email protected]
To: [email protected], [email protected],
Subject: [CLA-2001:406] Conectiva Linux Security Announcement - xinetd
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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : xinetd
SUMMARY : Remote buffer overflow
DATE : 2001-06-30 14:00:00
ID : CLA-2001:406
RELEVANT
RELEASES : 6.0
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DESCRIPTION
"xinetd" is an alternative to the inetd superserver.
Sebastian Krahmer from SuSe found an additional vulnerability in the
xinetd package that was not addressed in the previous announcement.
Internal string handling functions of xinetd do not properly handle
length arguments of zero. This can lead to buffer overflows and
arbitrary remote code execution.
The xinetd package is not used by default in Conectiva Linux 6.0,
therefore only users who explicitly changed the configuration of
their services in order to use xinetd will be vulnerable.
SOLUTION
It is recommended that all xinetd users upgrade their packages. This
update will restart the service if it is already running.
DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/xinetd-2.1.8.9pre16-1U60_1cl.src.rpmftp://atualizacoes.conectiva.com.br/6.0/RPMS/xinetd-2.1.8.9pre16-1U60_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/6.0/RPMS/xinetd-devel-2.1.8.9pre16-1U60_1cl.i386.rpmftp://atualizacoes.conectiva.com.br/6.0/RPMS/xinetd-devel-static-2.1.8.9pre16-1U60_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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