Hash: SHA1

             AUSCERT External Security Bulletin Redistribution

                    ESB-2007.0119 -- [UNIX/Linux][OSX]
                   SpamAssassin DoS via overly long URIs
                             19 February 2007


        AusCERT Security Bulletin Summary

Product:              SpamAssassin versions prior to 3.1.8
Operating System:     UNIX variants (UNIX, Linux, OSX)
Impact:               Denial of Service
Access:               Remote/Unauthenticated
CVE Names:            CVE-2007-0451

Original Bulletin:    

- --------------------------BEGIN INCLUDED TEXT--------------------

Apache SpamAssassin 3.1.8 is now available!  This is a maintenance and
security release of the 3.1.x branch.  It is highly recommended that
people upgrade to this version.

Downloads are available from:

The release file will also be available via CPAN in the near future.

md5sum of archive files:
  e8184a9a4ff11da5bd20b294cfeac7ac  Mail-SpamAssassin-3.1.8.tar.bz2
  20a3a6b651a89dcc70634715ca833996  Mail-SpamAssassin-3.1.8.tar.gz
  c81ef93066e60353032c21991e3c9ae2  Mail-SpamAssassin-3.1.8.zip

sha1sum of archive files:
  0d092c4de6e6df66f1d0fb0ca8589147ee4096cb  Mail-SpamAssassin-3.1.8.tar.bz2
  08f81f72d8a783887cf815dfc55ea38e3582b966  Mail-SpamAssassin-3.1.8.tar.gz
  f172c47a896c3c78aacf21f2af99088bd53363d0  Mail-SpamAssassin-3.1.8.zip

The release files also have a .asc accompanying them.  The file serves
as an external GPG signature for the given release file.  The signing
key is available via the wwwkeys.pgp.net key server, as well as

The key information is:

pub  1024D/265FA05B 2003-06-09 SpamAssassin Signing Key <release@spamassassin.org>
      Key fingerprint = 26C9 00A4 6DD4 0CD5 AD24  F6D7 DEE0 1987 265F A05B

3.1.8 is a major bug-fix release, including a potential DoS.  The major
highlights are:

- - bug 5318: fix for CVE-2007-0451: possible DoS due to incredibly
  long URIs found in the message content.
- - bug 5240: disable perl module usage in update channels unless
  --allowplugins is specified
- - bug 5288: files with names starting/ending in whitespace weren't usable
- - bug 5056: remove Text::Wrap related code due to upstream issues
- - bug 5145: update spamassassin and sa-learn to better deal with STDIN
- - bug 5140 and 5179: improvements and bug fixes related to DomainKeys
  and DKIM support
- - several updates for Received header parsing
- - several documentation updates and random taint-variable related issues

A more detailed change log can be read here:


- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:


If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:


Australian Computer Emergency Response Team
The University of Queensland
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.

Comment: http://www.auscert.org.au/render.html?it=1967