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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
fetchmail-SA-2006-01: crash when bouncing messages.
Topics: #1 crash when bouncing a message
#2 fetchmail 6.2.5.X end of life
Author: Matthias Andree
Version: 1.1
Announced: 2006-01-22
Type: free() with bogus pointer
Impact: fetchmail crashes
Danger: low
Credits: Nathaniel W. Turner (bug report)
CVE Name: CVE-2006-0321
URL: http://fetchmail.berlios.de/fetchmail-SA-2006-01.txt
http://bugs.debian.org/348747
Project URL: http://fetchmail.berlios.de/
Affects: fetchmail release >= 6.3.0
fetchmail release < 6.3.2
fetchmail release candidates 6.3.2-rc1, -rc2 and -rc3
Not affected: fetchmail release candidate 6.3.2-rc4
fetchmail release 6.3.2
other versions not mentioned here or in the previous
sections have not been checked
Corrected: 2006-01-19 fetchmail 6.3.2-rc4
2006-01-22 fetchmail 6.3.2
0. Release history
==================
2006-01-19 internal review draft
2006-01-20 add CVE ID
2006-01-22 release 1.0
2006-01-25 release 1.1, add fetchmail 6.3.2 to "Not affected" above.
1. Background
=============
fetchmail is a software package to retrieve mail from remote POP2, POP3,
IMAP, ETRN or ODMR servers and forward it to local SMTP, LMTP servers or
message delivery agents.
fetchmail ships with a graphical, Python/Tkinter based configuration
utility named "fetchmailconf" to help the user create configuration (run
control) files for fetchmail.
2. Problem description and Impact
=================================
Fetchmail contains a bug that causes itself to crash when bouncing a
message to the originator or to the local postmaster. The crash happens
after the bounce message has been sent, when fetchmail tries to free the
dynamic array of failed addresses, and calls the free() function with an
invalid pointer. This bug was introduced short before fetchmail 6.3.0
and is not present in the now discontinued 6.2.X series (see below).
3. Workaround
=============
None known at this time.
4. Solution
===========
Download and install fetchmail 6.3.2 or a newer stable release from
fetchmail's project site at
<http://developer.berlios.de/project/showfiles.php?group_id=1824>.
5. End of life announcement
===========================
The aged fetchmail 6.2.5.X branch is discontinued effective immediately.
No further releases from the 6.2.5.X branch will be made.
The new 6.3.X stable branch has been available since 2005-11-30
and will not change except for bugfixes, documentation and message
translations.
A. Copyright, License and Warranty
==================================
(C) Copyright 2006 by Matthias Andree, <matthias.andree@gmx.de>.
Some rights reserved.
This work is licensed under the
Creative Commons Attribution-NoDerivs 3.0 Germany License (CC BY-ND 3.0).
To view a copy of this license, visit
http://creativecommons.org/licenses/by-nd/3.0/de/deed.en
or send a letter to:
Creative Commons
444 Castro Street
Suite 900
MOUNTAIN VIEW, CALIFORNIA 94041
USA
THIS WORK IS PROVIDED FREE OF CHARGE AND WITHOUT ANY WARRANTIES.
Use the information herein at your own risk.
END OF fetchmail-SA-2006-01.txt
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