Conectiva Linux Security Announcement - icecast

Mar 19, 2001, 20:56 (0 Talkback[s])

Date: Mon, 19 Mar 2001 11:17:06 -0300
From: secure@CONECTIVA.COM.BR
To: BUGTRAQ@SECURITYFOCUS.COM
Subject: [CLA-2001:387] Conectiva Linux Security Announcement - icecast

CONECTIVA LINUX SECURITY ANNOUNCEMENT

PACKAGE   : icecast
SUMMARY   : Remote buffer overflow vulnerabilities
DATE      : 2001-03-19 11:15:00
ID        : CLA-2001:387
RELEVANT
RELEASES  : 4.1, 4.2, 5.0, 5.1, 6.0

DESCRIPTION
"icecast" is a server used to distribute audio streams to compatible clients such as winamp, mpg123, xmms and many others.

Matt Messier (mmessier@prilnari.com) and John Viega (viega@list.org) have identified several buffer overflow and format strings problems in Icecast that could be remotely exploited.

Our latest update to this software changes the package to use an unprivileged user ("icecast") for the daemon, so the impact of this vulnerability is not as high. Recent distributions (CL >= 5.1) have this package compiled with StackGuard to make it more difficult to exploit buffer overflows.

SOLUTION
All icecast users are urged to upgrade.

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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