Debian: New pptpd packages fix regression

    Date02 Sep 2007
    CategoryDebian
    4264
    Posted ByLinuxSecurity Advisories
    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.
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 1288-2                    This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                         Moritz Muehlenhoff
    September 2nd, 2007                     http://www.debian.org/security/faq
    - --------------------------------------------------------------------------
    
    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.
    
    - ---------------------------------------------------------------------------------
    For apt-get: deb http://security.debian.org/ stable/updates main
    For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
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