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Home » Hacking News » Connectiva - CLA-2002:448 - libgtop vulnerabilities

Connectiva - CLA-2002:448 - libgtop vulnerabilities

by Nikola Strahija on January 6th, 2002 There are two libgtop_daemon vulnerabilities addressed by this advisory. The first one was found by the Laboratory intexxia and is related to a format string vulnerability in the libgtop_daemon logging mechanisms. The second was found later by Flavio Veloso when investigating the first and is a buffer overflow in the same part of the code.


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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : libgtop
SUMMARY : libgtop vulnerabilities
DATE : 2002-01-03 17:03:00
ID : CLA-2002:448
RELEVANT
RELEASES : 5.0, prg graficos, ecommerce, 5.1, 6.0, 7.0

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DESCRIPTION
LibGTop (from the Gnome project) is a library that fetches system
related information such as CPU Load, Memory Usage and running
processes. It includes a daemon (libgtop_daemon) which can be used to
monitor processes remotely.

There are two libgtop_daemon vulnerabilities addressed by this
advisory:

The first one[1] was found by the Laboratory intexxia and is related
to a format string vulnerability in the libgtop_daemon logging
mechanisms. The second[2] was found later[3] by Flavio Veloso when
investigating the first and is a buffer overflow in the same part of
the code.

By exploiting any of the vulnerabilities an attacker would be able to
execute arbitrary code with the privileges of the user libgtop_daemon
is running as.

Notice that libgtop_daemon is not invoked by default anywhere in
Conectiva Linux, even if you're running Gnome as your desktop.


SOLUTION
All libgtop users should upgrade. Notice that if you're running
libgtop_daemon, it must be restarted manually after the new packages
get installed.


REFERENCES:
1.http://www.securityfocus.com/archive/1/242542
2.http://www.securityfocus.com/bid/3594
3.http://www.securityfocus.com/archive/1/242922


DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/5.0/SRPMS/libgtop-1.0.13-U50_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/libgtop-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/libgtop-devel-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/libgtop-devel-static-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/libgtop-examples-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/SRPMS/libgtop-1.0.13-U51_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/libgtop-1.0.13-U51_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/libgtop-devel-1.0.13-U51_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/libgtop-devel-static-1.0.13-U51_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/libgtop-examples-1.0.13-U51_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/libgtop-1.0.13-U60_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libgtop-1.0.13-U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libgtop-devel-1.0.13-U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libgtop-devel-static-1.0.13-U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libgtop-examples-1.0.13-U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/libgtop-1.0.13-U70_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libgtop-1.0.13-U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libgtop-devel-1.0.13-U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libgtop-devel-static-1.0.13-U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libgtop-examples-1.0.13-U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/SRPMS/libgtop-1.0.13-U50_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/libgtop-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/libgtop-devel-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/libgtop-devel-static-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/libgtop-examples-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/SRPMS/libgtop-1.0.13-U50_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/libgtop-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/libgtop-devel-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/libgtop-devel-static-1.0.13-U50_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/libgtop-examples-1.0.13-U50_2cl.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


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