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[SECURITY] [DSA 2033-1] New ejabberd packages fix denial of service



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Debian Security Advisory DSA-2033-1                  security@xxxxxxxxxx
http://www.debian.org/security/                       SÃbastien Delafond
April 15th, 2010                      http://www.debian.org/security/faq
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Package        : ejabberd
Vulnerability  : heap overflow
Problem type   : remote
Debian-specific: no
CVE Id         : CVE-2010-0305
Debian Bug     : 568383

It was discovered that in ejabberd, a distributed XMPP/Jabber server
written in Erlang, a problem in ejabberd_c2s.erl allows remote
authenticated users to cause a denial of service by sending a large
number of c2s (client2server) messages; that triggers an overload of the
queue, which in turn causes a crash of the ejabberd daemon.


For the stable distribution (lenny), this problem has been fixed in
version 2.0.1-6+lenny2.

For the testing distribution (squeeze), this problem has been fixed in
version 2.1.2-2.

For the testing distribution (sid), this problem has been fixed in
version 2.1.2-2.


We recommend that you upgrade your ejabberd packages.

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 GNU/Linux 5.0 alias lenny
- --------------------------------

Debian (stable)
- ---------------

Stable updates are available for alpha, amd64, arm, armel, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.

Source archives:

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2.diff.gz
    Size/MD5 checksum:    61649 98dbff6de8d5fd1a613bf2fa2b1b7cbc
  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2.dsc
    Size/MD5 checksum:     1388 94c7c65d3a0074a80f7023d3a5bb050b
  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1.orig.tar.gz
    Size/MD5 checksum:  1054739 9c9417ab8dc334094ec7a611016c726e

alpha architecture (DEC Alpha)

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_alpha.deb
    Size/MD5 checksum:  1185762 0d357d6fcd7a8ee3e0897d36d7991cff

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_amd64.deb
    Size/MD5 checksum:  1196276 f5c029b837ce386c0eb3b4b4704b6e4e

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_arm.deb
    Size/MD5 checksum:  1185558 4eb9bf5003262058c6b6d4b190a3f958

armel architecture (ARM EABI)

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_armel.deb
    Size/MD5 checksum:  1189252 b18b78168564941d3f5df1da8f23e731

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_i386.deb
    Size/MD5 checksum:  1167064 d44c82658e3e4059287f698925912e34

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_ia64.deb
    Size/MD5 checksum:  1208584 7474a055763f796bca37dc0847764e74

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_mipsel.deb
    Size/MD5 checksum:  1171612 26cc7ff8e3e2f891f5b2c5f9e7d69034

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_powerpc.deb
    Size/MD5 checksum:  1201544 a5ec73915a372183bb8876649ed1d66b

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_s390.deb
    Size/MD5 checksum:  1199092 3ca94443785ca5c60bf7617a4b30e8ab

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/e/ejabberd/ejabberd_2.0.1-6+lenny2_sparc.deb
    Size/MD5 checksum:  1188116 a2dc6279a2690ce802c4d4b6bd8370aa


  These files will probably be moved into the stable distribution on
  its next update.

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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@xxxxxxxxxxxxxxxx
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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