Linux Security
    Linux Security
    Linux Security

    Debian: New tcpdump packages fix denial of service

    Date 09 Oct 2005
    Posted By Joe Shakespeare
    Updated package.
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 854-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.                             Martin Schulze
    October 9th, 2005             
    - --------------------------------------------------------------------------
    Package        : tcpdump
    Vulnerability  : infinite loop
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CAN-2005-1267
    Simon Nielsen discovered that the BGP dissector in tcpdump, a powerful
    tool for network monitoring and data acquisition, does not properly
    handle a -1 return value from an internal function that decodes data
    packets.  A specially crafted BGP packet can cause a denial of service
    via an infinite loop.
    The old stable distribution (woody) is not affected by this problem.
    For the stable distribution (sarge) this problem has been fixed in
    version 3.8.3-5sarge1.
    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 3.1 alias sarge
    - --------------------------------
      Source archives:
          Size/MD5 checksum:      666 8a61a856f03b483ec3c74affa09e8bb5
          Size/MD5 checksum:    11493 b2976be14da25de46cf57a95f36739da
          Size/MD5 checksum:   567116 30645001f4b97019677cad88d3811904
      Alpha architecture:
          Size/MD5 checksum:   301288 afbeb130b92fe734031bd60d5819f615
      AMD64 architecture:
          Size/MD5 checksum:   256412 7096add9926f7db7d1a915cfe19c0629
      ARM architecture:
          Size/MD5 checksum:   250446 1846e890ce0ccf7aba4613130d7e2c2d
      Intel IA-32 architecture:
          Size/MD5 checksum:   238642 1b8e9a1fe69912492e5bc1285e12a1af
      Intel IA-64 architecture:
          Size/MD5 checksum:   352410 59e00a553c766e41236647a85c898099
      HP Precision architecture:
          Size/MD5 checksum:   271478 0d1d4c3756689ba4efef69a106731c60
      Motorola 680x0 architecture:
          Size/MD5 checksum:   216704 a3e4d0279da8563af9da7a6981f2824a
      Big endian MIPS architecture:
          Size/MD5 checksum:   259316 dc533a53d2bdc886547d345073cf56a8
      Little endian MIPS architecture:
          Size/MD5 checksum:   272054 d5958967c55dc5c08dd3c3c2e546c391
      PowerPC architecture:
          Size/MD5 checksum:   246300 073605199341d90268b8818cf1917f9d
      IBM S/390 architecture:
          Size/MD5 checksum:   247216 50b1f28f1a86402e26f9155f4a790c39
      Sun Sparc architecture:
          Size/MD5 checksum:   247904 e03f3408ac1bd397cbe8bfdb2c2b4b7b
      These files will probably be moved into the stable distribution on
      its next update.
    - ---------------------------------------------------------------------------------
    For apt-get: deb stable/updates main
    For dpkg-ftp: dists/stable/updates/main
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.


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