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Netwosix Linux Security Advisory #2004-0002  
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Package name:      fetchmail
Summary:              remote denial of service
Date:                    2004-02-20
Affected versions:  Netwosix 1.0
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- -> Package description:
- ------------------------
Fetchmail is a full-featured, robust, well-documented remote-mail retrieval
and forwarding utility intended to be used over on-demand TCP/IP links (such
as SLIP or PPP connections). It supports every remote-mail protocol now in
use on the Internet: POP2, POP3, RPOP, APOP, KPOP, all flavors of IMAP, ETRN,
and ODMR. It can even support IPv6 and IPSEC.

- -> Problem description:
- ------------------------
Fetchmail 6.2.4 and earlier does not properly allocate memory for
long lines, which allows remote attackers to cause a denial of
service (crash) via a certain email.

- -> Action:
- ------------------------
  We recommend that all systems with this package installed be upgraded.
  Please note that if you do not need the functionality provided by this
  package, you may want to remove it from your system.


- -> Location:
- ---------------------
  You can download the latest version of this package from:
   

  You can download the latest version of this package in NEPOTE format from:
   

- -> Nepote Update:
- ---------------------

See this instructions to update the port of this package:

        # cd /usr/ports/sysutils/fetchmail/
        # rm nepote
        # wget http://download.netwosix.org/0002/nepote 

- -> References
- ---------------------

        Specific references for this advisory:
                http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0792 

- -> About Linux Netwosix:
- ---------------------------------
Linux Netwosix is a powerful and optimized Linux distribution for servers
and Network Security related jobs.  It can also be used for special operations
such as penetration testing with its big collection of security oriented
software and sources. It's a light distribution created for the requirements
of every SysAdmin and it's very portable and highly configurable. Our
philosophy is to give greater liberty for  configuration to the SysAdmin.
Only in this way can he/she configure a powerful and stable server machine.
Linux Netwosix also has a powerful ports system (Nepote) similar to the xBSD
systems but more flexible and usable.


- -> Questions?
- ---------------------
  Check out our mailing lists:
   


  The advisory itself is available at
   


MD5sums of the packages:
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101dc881d3bacc6970e4fe544b001d9f  0002/nepote
9956b30139edaa4f5f77c4d0dbd80225  0002/fetchmail-6.2.5.tar.gz
- - --------------------------------------------------------------------------


Vincenzo Ciaglia - Linux Netwosix Security Advisories
 -  
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