Conectiva Linux Security Announcement - icecast

Jan 25, 2001, 22:18 (0 Talkback[s])

Date: Thu, 25 Jan 2001 13:58:56 -0200
From: secure@CONECTIVA.COM.BR
To: BUGTRAQ@SECURITYFOCUS.COM
Subject: [CLA-2001:374] Conectiva Linux Security Announcement - icecast

CONECTIVA LINUX SECURITY ANNOUNCEMENT

PACKAGE   : icecast
SUMMARY   : Remote root exploit
DATE      : 2001-01-25 13:58:00
ID        : CLA-2001:374
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. The "Packet Knights" group has found a format string vulnerability on this program that could be used to remotely execute arbitrary code on the server with the privileges of the user running it, normally root. This can lead to remote root compromise.

SOLUTION
It is recommended that all icecast users upgrade their servers. The new packages fix this problem and also provide some new features:
- the icecast daemon now runs as the unprivileged user "icecast" and not root;
- it is not possible to start the server if the default password has not been changed;
- remote web administration has been turned off by default.

ADDITIONAL INSTRUCTIONS
Users of Conectiva Linux version 6.0 or higher may use apt to perform upgrades:
- 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

 - 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

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