Security World: [SECURITY] [DSA 2086-1] New avahi packages fix denial of service

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Debian Security Advisory DSA-2086-1 security@debian.org
http://www.debian.org/security/ Moritz Muehlenhoff
August 04, 2010 http://www.debian.org/security/faq
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Package : avahi
Vulnerability : several
Problem type : remote
Debian-specific: no
CVE Id(s) : CVE-2009-0758 CVE-2010-2244

Several vulnerabilities have been discovered in the Avahi mDNS/DNS-SD
daemon. The Common Vulnerabilities and Exposures project identifies
the following problems:

CVE-2009-0758

Rob Leslie discovered a denial of service vulnerability in the
code used to reflect unicast mDNS traffic.

CVE-2010-2244

Ludwig Nussel discovered a denial of service vulnerability in
the processing of malformed DNS packets.

For the stable distribution (lenny), this problem has been fixed in
version 0.6.23-3lenny2.

For the unstable distribution (sid), these problems have been fixed in
version 0.6.26-1.

We recommend that you upgrade your Avahi packages.

Upgrade instructions
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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
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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/a/avahi/avahi_0.6.23.orig.tar.gz
Size/MD5 checksum: 1104410 aab1a304851d8145ea5f6a85c10af9e9
http://security.debian.org/pool/updates/main/a/avahi/avahi_0.6.23-3lenny2.diff.gz
Size/MD5 checksum: 30974 f61a700480e9a26d91076923a5f07e4d
http://security.debian.org/pool/updates/main/a/avahi/avahi_0.6.23-3lenny2.dsc
Size/MD5 checksum: 2319 e0e18cae129c74514565cd120b15acb2

Architecture independent packages:

http://security.debian.org/pool/updates/main/a/avahi/python-avahi_0.6.23-3lenny2_all.deb
Size/MD5 checksum: 29456 b94b301976fa60d9b602f7a966500a9f
http://security.debian.org/pool/updates/main/a/avahi/avahi-discover_0.6.23-3lenny2_all.deb
Size/MD5 checksum: 36672 dc16c7988c893da9213b9ebb62ead46e

alpha architecture (DEC Alpha)

amd64 architecture (AMD x86_64 (AMD64))

arm architecture (ARM)

armel architecture (ARM EABI)

i386 architecture (Intel ia32)

ia64 architecture (Intel ia64)

mips architecture (MIPS (Big Endian))

mipsel architecture (MIPS (Little Endian))

powerpc architecture (PowerPC)

s390 architecture (IBM S/390)

sparc architecture (Sun SPARC/UltraSPARC)

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@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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Tuesday, August 03, 2010

[SECURITY] [DSA 2086-1] New avahi packages fix denial of service

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