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Conectiva Linux Advisory: proftpd


CONECTIVA LINUX SECURITY ANNOUNCEMENT


PACKAGE : proftpd
SUMMARY : Remote vulnerability
DATE : 2003-09-29 15:03:00
ID : CLA-2003:750
RELEVANT RELEASES : 9

DESCRIPTION
ProFTPD is a highly configurable FTP daemon written from scratch
for Unix and Unix-like operating systems.

ISS X-Force has discovered a vulnerability[1] in the way proftpd
(versions >= 1.2.7) handles incoming ASCII file transfers. An
attacker who is able to upload and download the same file can
exploit this vulnerability to execute arbitrary code with root
privileges.

The Common Vulnerabilities and Exposures project (cve.mitre.org/) has assigned the name
CAN-2003-0831 to this issue[2].

SOLUTION
All proftpd users should upgrade.

Please note that after the upgrade the proftpd process will be
automatically restarted if it is already running. It is recommended
that administrators shut down all current connections (which will
be using the vulnerable copy) to avoid a possible abuse by
currently connected users.

REFERENCES:
1.http://xforce.iss.net/xforce/alerts/id/154

2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0831

UPDATED PACKAGES

ftp://atualizacoes.conectiva.com.br/9/RPMS/proftpd-1.2.7-27285U90_2cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/RPMS/proftpd-doc-1.2.7-27285U90_2cl.i386.rpm


ftp://atualizacoes.conectiva.com.br/9/SRPMS/proftpd-1.2.7-27285U90_2cl.src.rpm

ADDITIONAL INSTRUCTIONS
The apt tool can be used to perform RPM packages upgrades:

  • 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


Copyright (c) 2003 Conectiva Inc.
http://www.conectiva.com

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