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Home » Hacking News » [CLA-2002:554] Conectiva Linux Security Announcement - fetchmail

[CLA-2002:554] Conectiva Linux Security Announcement - fetchmail

by Nikola Strahija on December 17th, 2002 By exploiting this the attacker can crash fetchmail or execute arbitrary code with the privileges of the user running it.


PACKAGE : fetchmail
SUMMARY : Remote vulnerability
DATE : 2002-12-16 18:38:00
ID : CLA-2002:554
RELEVANT
RELEASES : 6.0, 7.0, 8

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

DESCRIPTION
Fetchmail is a popular mail retrieval and forwarding utility.

Stefan Esser discovered[1] a buffer overflow vulnerability in
fetchmail versions prior to 6.1.3 (inclusive) that can be exploited
remotelly with the use of specially crafted mail messages. By
exploiting this the attacker can crash fetchmail or execute arbitrary
code with the privileges of the user running it.

The updated packages listed in this announcement include a fix for
this problem.


SOLUTION
All fetchmail users should upgrade.

IMPORTANT: if fetchmail is running as a daemon, it will have to be
restarted in order to run the new version.


REFERENCES:
1.http://security.e-matters.de/advisories/052002.html


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/fetchmail-5.9.12-1U60_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/fetchmailconf-5.9.12-1U60_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/fetchmail-doc-5.9.12-1U60_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/fetchmail-5.9.12-1U60_4cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/fetchmail-5.9.12-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/fetchmailconf-5.9.12-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/fetchmail-doc-5.9.12-1U70_4cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/fetchmail-5.9.12-1U70_4cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/fetchmail-5.9.12-1U80_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/fetchmailconf-5.9.12-1U80_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/fetchmail-doc-5.9.12-1U80_3cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/fetchmail-5.9.12-1U80_3cl.src.rpm


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

- 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

- -------------------------------------------------------------------------
subscribe: [email protected]
unsubscribe: [email protected]
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