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Debian Security Advisory DSA 1288-2                    security@debian.org
http://www.debian.org/security/                         Moritz Muehlenhoff
September 2nd, 2007                     http://www.debian.org/security/faq
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Package        : pptpd 
Vulnerability  : programming error
Problem-Type   : remote
Debian-specific: no
CVE ID         : CVE-2007-0244

A regression in the handling of out-of-order sequence numbers of some
MPPE implementations was fixed. For reference the original advisory 
below:

It was discovered that the PoPToP Point to Point Tunneling Server
contains a programming error, which allows the tear-down of a PPTP
connection through a malformed GRE packet, resulting in denial of
service.

The oldstable distribution (sarge) is not affected by this problem.

For the stable distribution (etch) this problem has been fixed in
version 1.3.0-2etch2.

For the unstable distribution (sid) this problem has been fixed in
version 1.3.4-1.

We recommend that you upgrade your pptpd packages.


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 4.0 alias etch
- -------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2.dsc
      Size/MD5 checksum:      599 9098a1a6ebac37015c1159a2c6a21655
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2.diff.gz
      Size/MD5 checksum:    11339 495273aeca7469ef97b157af54b8b89e
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0.orig.tar.gz
      Size/MD5 checksum:   204099 75d494e881f7027f4e60b114163f6b67

  Alpha architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_alpha.deb
      Size/MD5 checksum:    21576 86f8e1420d2b39f23ca52aad8b9462f8
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_alpha.deb
      Size/MD5 checksum:    64776 12d4251d52d6aa4faec9d89c3f9a0c54

  AMD64 architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_amd64.deb
      Size/MD5 checksum:    20446 a6a3007abffaf4393940ac641396e909
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_amd64.deb
      Size/MD5 checksum:    59294 db123a85074522fa397403360f3c0afe

  ARM architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_arm.deb
      Size/MD5 checksum:    20204 c9b704f2fe5f4f70f04ae9a68673f7d2
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_arm.deb
      Size/MD5 checksum:    60602 68586cc6440aa2f92eb4930386dc81c4

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_hppa.deb
      Size/MD5 checksum:    21030 eecadad57b44403e9ddf91691922744a
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_hppa.deb
      Size/MD5 checksum:    59872 ca8b7cefd65e309eb73ded39aa28b83a

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_i386.deb
      Size/MD5 checksum:    20182 ddbd3620e2252b06c58850f0c9470f2f
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_i386.deb
      Size/MD5 checksum:    57504 4ac1a61fbec2faba596b3ff4b8c7dc85

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_ia64.deb
      Size/MD5 checksum:    23678 706574fe45f2dbb66df8433a181ce108
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_ia64.deb
      Size/MD5 checksum:    73974 b1fbb3a8d5f21cb4800f39b2fac15e9b

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_mips.deb
      Size/MD5 checksum:    20754 fb8a7880d78b0aa9584d81eb8455195f
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_mips.deb
      Size/MD5 checksum:    59778 db4a1e66a2af55f1dbd1367661e9b988

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_mipsel.deb
      Size/MD5 checksum:    20878 03784167b79d65347c14eb5295bbf364
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_mipsel.deb
      Size/MD5 checksum:    60392 43255efe577c7dfad1bde0667040f44f

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_powerpc.deb
      Size/MD5 checksum:    20554 a70b545ca9e62f8460da3a2deb308dac
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_powerpc.deb
      Size/MD5 checksum:    61330 7bbb717e342da28d24a7c46edf24c7c0

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_s390.deb
      Size/MD5 checksum:    20496 8eee9314e2285efb7c06b54047a02adf
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_s390.deb
      Size/MD5 checksum:    58274 7b7f426cb51fca01579a5480d562ec77

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch2_sparc.deb
      Size/MD5 checksum:    20164 5d7de3ee3845dfb7583a8d4df13ea0b7
    http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch2_sparc.deb
      Size/MD5 checksum:    57050 0cf177e1bc22d8d8c157dcff87b7c86f


  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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