[SECURITY] [DSA 850-1] New tcpdump packages fix denial of service

From: Martin Schulze (joey_at_infodrom.org)
Date: 10/09/05

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    Date: Sun, 9 Oct 2005 06:57:58 +0200 (CEST)
To: bugtraq@securityfocus.com

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    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 850-1 security@debian.org
    http://www.debian.org/security/ Martin Schulze
    October 9th, 2005 http://www.debian.org/security/faq
    - --------------------------------------------------------------------------

    Package : tcpdump
    Vulnerability : infinite loop
    Problem type : remote
    Debian-specific: no
    CVE ID : CAN-2005-1279

    "Vade 79" discovered that the BGP dissector in tcpdump, a powerful
    tool for network monitoring and data acquisition, does not properly
    handle RT_ROUTING_INFO. A specially crafted BGP packet can cause a
    denial of service via an infinite loop.

    For the old stable distribution (woody) this problem has been fixed in
    version 3.6.2-2.9.

    For the stable distribution (sarge) this problem has been fixed in
    version 3.8.3-4.

    For the unstable distribution (sid) this problem has been fixed in
    version 3.8.3-4.

    We recommend that you upgrade your tcpdump 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 GNU/Linux 3.0 alias woody
    - --------------------------------

      Source archives:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9.dsc
          Size/MD5 checksum: 587 fac8be69ffc0fc9e98f720df652c3b8b
        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9.diff.gz
          Size/MD5 checksum: 14189 09abe4d2c22c16aad175edf0e2d1e4a2
        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2.orig.tar.gz
          Size/MD5 checksum: 380635 6bc8da35f9eed4e675bfdf04ce312248

      Alpha architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_alpha.deb
          Size/MD5 checksum: 214820 9c3c9a0fb94f149144f4379c0f9b4071

      ARM architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_arm.deb
          Size/MD5 checksum: 180762 bad61479d23cad44448f7fb91a9d6355

      Intel IA-32 architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_i386.deb
          Size/MD5 checksum: 170594 4f94b2909aed2bc2a308cf08d2d16208

      Intel IA-64 architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_ia64.deb
          Size/MD5 checksum: 253760 9c75cf903731d747f95a90b25f0a5de1

      HP Precision architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_hppa.deb
          Size/MD5 checksum: 196882 61d38516880cae6a195120d09e866430

      Motorola 680x0 architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_m68k.deb
          Size/MD5 checksum: 158494 a87ff72914ae89e87ad510993c162c8b

      Big endian MIPS architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_mips.deb
          Size/MD5 checksum: 189980 11df907857746a04ca58a8a71ff53242

      Little endian MIPS architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_mipsel.deb
          Size/MD5 checksum: 194374 6d8cf0ee59fc4da2b09dfde3cc1d74e8

      PowerPC architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_powerpc.deb
          Size/MD5 checksum: 178012 3ad9b8f3a9df2732329ad98e3c156018

      IBM S/390 architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_s390.deb
          Size/MD5 checksum: 175390 892a544d87e3de60b2888b77442334da

      Sun Sparc architecture:

        http://security.debian.org/pool/updates/main/t/tcpdump/tcpdump_3.6.2-2.9_sparc.deb
          Size/MD5 checksum: 180826 0931640053a722312cd48ed47b2fbafd

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

    - ---------------------------------------------------------------------------------
    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/>

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