[CLA-2001:440] Conectiva Linux Security Announcement - rpm

From: secure@conectiva.com.br
Date: 11/27/01

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Date: Tue, 27 Nov 2001 16:35:11 -0200
Message-Id: <200111271835.QAA01416@frajuto.distro.conectiva>
To: conectiva-updates@papaleguas.conectiva.com.br, linuxlist@securityportal.com, lwn@lwn.net, bugtraq@securityfocus.com, security-alerts@linuxsecurity.com
Subject: [CLA-2001:440] Conectiva Linux Security Announcement - rpm
From: secure@conectiva.com.br

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Hash: SHA1

- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT
- --------------------------------------------------------------------------

PACKAGE : rpm
SUMMARY : RPM query vulnerability
DATE : 2001-11-27 16:34:00
ID : CLA-2001:440
RELEVANT
RELEASES : 7.0

- -------------------------------------------------------------------------

DESCRIPTION
The RPM Package Manager (RPM) is the package management system used
to distribute and install software by Conectiva Linux.

zen-parse found[1] a vulnerability[2] in rpm wich allows an attacker
to execute arbitrary code when an adultered rpm package is queried.

A malicious user could exploit this vulnerability by sending a
carefully crafted rpm package to the printing system, which will
query the package to extract the information to print and will
execute arbitrary code choosen by the attacker with the privileges of
the lp user.

Another situation is an administrator or any other user querying such
a package to extract information (using rpm -qpi for example) and
inadvertently executing arbitrary code from the attacker.

SOLUTION
All users should upgrade. We would like to thank Jeff Johnson
<jbj@redhat.com> for providing the patch to fix this vulnerability.

REFERENCES:
1. http://www.securityfocus.com/archive/1/222542
2. http://www.securityfocus.com/bid/3472

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

- -------------------------------------------------------------------------
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
- -------------------------------------------------------------------------
All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

- -------------------------------------------------------------------------
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