Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2007.0119 -- [UNIX/Linux][OSX]
SpamAssassin DoS via overly long URIs
19 February 2007
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AusCERT Security Bulletin Summary
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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:
http://svn.apache.org/repos/asf/spamassassin/branches/3.1/build/announcements/3.1.8.txt
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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:
http://spamassassin.apache.org/downloads.cgi?update=200702131100
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
http://spamassassin.apache.org/released/GPG-SIGNING-KEY
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:
http://svn.apache.org/repos/asf/spamassassin/branches/3.1/Changes
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Australian Computer Emergency Response Team
The University of Queensland
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