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Debian: New spamassassin packages fix potential DOS Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Debian A vulnerability was recently found in the way that SpamAssassin parses certain email headers. This vulnerability could cause SpamAssassin to consume a large number of CPU cycles when processing messages containing these headers, leading to a potential denial of service (DOS) attack.
- ------------------------------------------------------------------------
Debian Security Advisory DSA 736-2                   security@debian.org
http://www.debian.org/security/                            Michael Stone
July 07, 2005                         http://www.debian.org/security/faq
- ------------------------------------------------------------------------

Package        : spamassassin
Vulnerability  : mail header parsing error
Problem type   : remote DOS
Debian-specific: no
CVE Id(s)      : CAN-2005-1266
Debian Bug     : 314447

A vulnerability was recently found in the way that SpamAssassin parses
certain email headers. This vulnerability could cause SpamAssassin to
consume a large number of CPU cycles when processing messages containing
these headers, leading to a potential denial of service (DOS) attack. 

The version of SpamAssassin in the old stable distribution (woody) is
not vulnerable.

For the stable distribution (sarge), this problem has been fixed in
version 3.0.3-2. Note that packages are not yet ready for certain
architectures; these will be released as they become available.

For the unstable distribution (sid), this problem has been fixed in
version 3.0.4-1.

The only change since DSA 736-1 is the addition of packages for certain
architectures that were not available at the time of the original
advisory.

We recommend that you upgrade your sarge or sid spamassassin package.

Upgrade instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian 3.1 (sarge)
- ------------------

  sarge was released for alpha, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc. Packages were released for all but arm and hppa in DSA 736-1.

  arm architecture (ARM)

    http://security.debian.org/pool/updates/main/s/spamassassin/spamc_3.0.3-2_arm.deb
      Size/MD5 checksum:    58362 cf463ef4d601f3f6502f891eef928451

  hppa architecture (HP PA RISC)

    http://security.debian.org/pool/updates/main/s/spamassassin/spamc_3.0.3-2_hppa.deb
      Size/MD5 checksum:    60236 4f6c26a0c8ac1249aa38c17040b18d97


- -------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
 
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