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[CLA-2001:388] Conectiva Linux Security Announcement - imap


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Date: Mon, 19 Mar 2001 17:17:54 -0300
From: [email protected]
To: [email protected]
Subject: [CLA-2001:388] Conectiva Linux Security Announcement - imap

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- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT
- --------------------------------------------------------------------------

PACKAGE   : imap
SUMMARY   : Remote buffer overflow
DATE      : 2001-03-19 16:51:00
ID        : CLA-2001:388
RELEVANT
RELEASES  : 4.0, 4.0es, 4.1, 4.2, 5.0, prg graficos, ecommerce, 5.1, 6.0

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

DESCRIPTION
 "imap" is a package which contains POP3 and IMAP mail servers.
 Several buffer overflow vulnerabilities have been found in this
 package by their authors and by independent groups
 (www.bufferoverflow.org has published an exploit for one of these
 vulnerabilities).
 These vulnerabilities can be exploited only after user
 authentication, which basically limits the scope of the vulnerability
 to a remote shell with that user's permissions. On systems where
 users already have a shell, this vulnerability will not provide
 anything new to that user (unless he/she has only local shell
 access). But, on systems where the email accounts do not provide
 shell access (tipically ISPs), this is a bigger problem.
 It is also important to note that packages from version 5.1 or higher
 of the CL distribution have been compiled with StackGuard, which
 makes it more difficult (but not impossible) to exploit buffer
 overflows of this type.


SOLUTION
 The packages offered here include many security fixes from the latest
 beta version of imap at that time (snapshot 0102232125), and also fix
 the specific problem the published exploit attacks. It is recommended
 that all imap users update their packages, specially if their systems
 provide mail access without remote shell accounts.


DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/4.0/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/4.0/i386/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.0/i386/imap-doc-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.0/i386/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.0/i386/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.0es/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/4.0es/i386/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.0es/i386/imap-doc-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.0es/i386/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.0es/i386/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.1/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/4.1/i386/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.1/i386/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.1/i386/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.1/i386/imap-doc-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.2/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/4.2/i386/imap-doc-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.2/i386/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.2/i386/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/4.2/i386/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/imap-doc-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/imap-doc-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/imap-doc-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/imap-doc-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/SRPMS/imap-2000c-1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/imap-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/imap-devel-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/imap-devel-static-2000c-1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/imap-doc-2000c-1cl.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

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