bugtraq - [SECURITY] [DSA 530-1] New l2tpd packages fix buffer overflow

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Message-ID: <20040718034106.GC4090__46437.6707481735$1090248783$gmane$org@mizar.alcor.net>
Date: Sat, 17 Jul 2004 20:41:06 -0700
From: Matt Zimmerman <mdz@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 530-1] New l2tpd packages fix buffer overflow


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Debian Security Advisory DSA 530-1                     security@...ian.org
http://www.debian.org/security/                             Matt Zimmerman
July 17th, 2004                         http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : l2tpd
Vulnerability  : buffer overflow
Problem-Type   : remote
Debian-specific: no
CVE Ids        : CAN-2004-0649

Thomas Walpuski reported a buffer overflow in l2tpd, an implementation
of the layer 2 tunneling protocol, whereby a remote attacker could
potentially cause arbitrary code to be executed by transmitting a
specially crafted packet.  The exploitability of this vulnerability
has not been verified.

For the current stable distribution (woody), this problem has been
fixed in version 0.67-1.2.

For the unstable distribution (sid), this problem has been fixed in
version 0.70-pre20031121-2.

We recommend that you update your l2tpd 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/l/l2tpd/l2tpd_0.67-1.2.dsc
      Size/MD5 checksum:      556 7dea8c1dda28eeea5d17f2e3eef27ef6
    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2.diff.gz
      Size/MD5 checksum:     2756 fd3fcde3269326d01187ee6e860c0219
    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67.orig.tar.gz
      Size/MD5 checksum:   121685 d40065070e34c44389e4c749b61916c6

  Alpha architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.1_alpha.deb
      Size/MD5 checksum:    99940 a3caa77d343536f68753ea64aa336a45

  ARM architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_arm.deb
      Size/MD5 checksum:    90958 5030f6fcd05f33875542e4c1da3e553f

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_i386.deb
      Size/MD5 checksum:    87946 456410152e2a33ceb07acff26b0dea61

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_ia64.deb
      Size/MD5 checksum:   110936 12debc780c212f23ae5b8c313e2e51f1

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_hppa.deb
      Size/MD5 checksum:    95130 35687ebaea9442cef6e93b838071da97

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_m68k.deb
      Size/MD5 checksum:    84972 fd4e1e3016d651eeecc3e3af6df67511

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_mips.deb
      Size/MD5 checksum:    94778 c757bcea1d651ba7a5e995edaad2fe9e

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_mipsel.deb
      Size/MD5 checksum:    95122 2ca8db2f234ac416791c09b9b3b1de68

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_powerpc.deb
      Size/MD5 checksum:    89470 3ef1b4d68491e25efe134331d90fd01c

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_s390.deb
      Size/MD5 checksum:    88580 52bd54f9df953734be455a3b595db411

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/l/l2tpd/l2tpd_0.67-1.2_sparc.deb
      Size/MD5 checksum:    91992 34513399dd07a1aed7f4b96904f5a2db

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

- ---------------------------------------------------------------------------------
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@...ts.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
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