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Debian Security Advisory DSA-1230-1                  security@debian.org
http://www.debian.org/security/                               Steve Kemp
December 08, 2006
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Package        : l2tpns (2.0.14-1sarge1)
Vulnerability  : buffer overflow
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2006-5873
Debian Bug     : 401742


Rhys Kidd discovered a vulnerability in l2tpns, a layer 2 tunnelling
protocol network server, which could be triggered by a remote user to
execute arbitary code.

For the stable distribution (sarge), this problem has been fixed in 
version 2.0.14-1sarge1.

For the unstable distribution (sid) this problem has been fixed in
version 2.1.21-1

We recommend that you upgrade your l2tpns 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 3.1 (stable)
- -------------------

Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc.

Source archives:

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14.orig.tar.gz
    Size/MD5 checksum:   149672 462bca675b5e27f40f5e5f92918911cb
  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1.diff.gz
    Size/MD5 checksum:     2760 21dd07043e996a6deb282ad9318ff523
  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1.dsc
    Size/MD5 checksum:      585 16faad913601881770b688f2fc8e8357

alpha architecture (DEC Alpha)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_alpha.deb
    Size/MD5 checksum:   195906 4d8481e9bf411cd71b3439fba8c65f4d

amd64 architecture (AMD x86_64 (AMD64))

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_amd64.deb
    Size/MD5 checksum:   152440 164d2205b4cd8fc99bc4763fb7ac9b38

arm architecture (ARM)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_arm.deb
    Size/MD5 checksum:   151706 317794e1cbd89bf03a5276a5e0e6e946

hppa architecture (HP PA RISC)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_hppa.deb
    Size/MD5 checksum:   169062 80e4b651500315e6cfeae09cbd990cca

i386 architecture (Intel ia32)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_i386.deb
    Size/MD5 checksum:   144584 4a447fcc5dae3781f84f21bc8a262937

ia64 architecture (Intel ia64)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_ia64.deb
    Size/MD5 checksum:   227898 e14fc8e036271566d4a9178e10650ad3

m68k architecture (Motorola Mc680x0)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_m68k.deb
    Size/MD5 checksum:   128076 e30c757e00a9914890caeab4da5e364d

mips architecture (MIPS (Big Endian))

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_mips.deb
    Size/MD5 checksum:   165256 c5eadfb746ff587e557241fcea756011

mipsel architecture (MIPS (Little Endian))

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_mipsel.deb
    Size/MD5 checksum:   168406 b11641d83e799878de35512edb09dbfa

powerpc architecture (PowerPC)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_powerpc.deb
    Size/MD5 checksum:   168706 9b4038dbfaa5fe14ac7df25857cc0e7f

s390 architecture (IBM S/390)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_s390.deb
    Size/MD5 checksum:   155020 d4a196ecf8b13ae8d0830e45571cc29d

sparc architecture (Sun SPARC/UltraSPARC)

  http://security.debian.org/pool/updates/main/l/l2tpns/l2tpns_2.0.14-1sarge1_sparc.deb
    Size/MD5 checksum:   160188 ab36083d96a6d5ca028d93032eccdec0


  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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