Linux Security
    Linux Security
    Linux Security

    Debian: l2tpd random seed

    Date 13 Aug 2002
    Posted By LinuxSecurity Advisories
    l2tpd, a layer 2 tunneling client/server program, forgot to initialize the random generator, which made all generated random numbers 100% guessable.
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 152-1                     This email address is being protected from spambots. You need JavaScript enabled to view it.                             Martin Schulze
    August 13th, 2002   
    - --------------------------------------------------------------------------
    Package        : l2tpd
    Vulnerability  : missing random seed
    Problem-Type   : remote
    Debian-specific: no
    Current versions of l2tpd, a layer 2 tunneling client/server program,
    forgot to initialize the random generator which made it vulnerable
    since all generated random number were 100% guessable.  When dealing
    with the size of the value in an attribute value pair, too many bytes
    were able to be copied, which could lead into the vendor field being
    These problems have been fixed in version 0.67-1.1 for the current
    stable distribution (woody) and in version 0.68-1 for the unstable
    distribution (sid).  The old stable distribution (potato) is not
    affected, since it doesn't contain the l2tpd package.
    We recommend that you upgrade your l2tpd packages.
    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:
          Size/MD5 checksum:      556 ffe4fded4647ac003ffdd4978661ca15
          Size/MD5 checksum:     2339 b647394faed6dba02687e7709299836a
          Size/MD5 checksum:   121685 d40065070e34c44389e4c749b61916c6
      Alpha architecture:
          Size/MD5 checksum:    99940 a3caa77d343536f68753ea64aa336a45
      ARM architecture:
          Size/MD5 checksum:    90756 603a9b88e98001c1602d464571dce765
      Intel IA-32 architecture:
          Size/MD5 checksum:    88130 bbd745997296fd61edc9777de121c9a5
      Intel IA-64 architecture:
          Size/MD5 checksum:   110726 dc180c2040f8f29f868e5039e09b0879
      HP Precision architecture:
          Size/MD5 checksum:    94918 9629d5a679cf336036d485a32fa0b6db
      Motorola 680x0 architecture:
          Size/MD5 checksum:    84818 c61280d6f968b9052dfc9f9e5c34cbd5
      Big endian MIPS architecture:
          Size/MD5 checksum:    94608 62cfeab1e06185f58b79c7c8f3b93cce
      Little endian MIPS architecture:
          Size/MD5 checksum:    94944 6d164b24e067355b26b7234434ff21cb
      PowerPC architecture:
          Size/MD5 checksum:    89318 a736a5fc05493393e1b0ade0097f60a0
      IBM S/390 architecture:
          Size/MD5 checksum:    87736 6e1d259729d21a92537c38d315f0286f
      Sun Sparc architecture:
          Size/MD5 checksum:    91790 faade7c56590eae84e8b0ef14014a29b
      These files will probably be moved into the stable distribution on
      its next revision.
    - ---------------------------------------------------------------------------------
    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.
    Package info: `apt-cache show ' and

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