Debian: New pptpd packages fix denial of service

    Date08 May 2007
    CategoryDebian
    3302
    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 1288-1                    This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                         Moritz Muehlenhoff
    May 8th, 2007                           http://www.debian.org/security/faq
    - --------------------------------------------------------------------------
    
    Package        : pptpd 
    Vulnerability  : programming error
    Problem-Type   : remote
    Debian-specific: no
    CVE ID         : CVE-2007-0244
    
    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 1.3.0-2etch1.
    
    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_1.3.0-2etch1.dsc
          Size/MD5 checksum:      599 0363621f77d0364e4f58bd834d33b4ad
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1.diff.gz
          Size/MD5 checksum:    11297 419d853dca942c8a0067f498105cb23e
        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_1.3.0-2etch1_alpha.deb
          Size/MD5 checksum:    21554 5da1231c95624aebe45151934ada6d8e
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_alpha.deb
          Size/MD5 checksum:    64740 d6521d5ac703126cc34159150a0e2d52
    
      AMD64 architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_amd64.deb
          Size/MD5 checksum:    20428 70a4c0df307f0945aa314f86df7f2702
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_amd64.deb
          Size/MD5 checksum:    59290 6bc5e608d384ffbd41405a92e97f647a
    
      ARM architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_arm.deb
          Size/MD5 checksum:    20176 d6ce1ef85e3fafdc8cb32d04d6ae98c8
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_arm.deb
          Size/MD5 checksum:    58408 96844eb323113add2816a8f2e8ca1142
    
      HP Precision architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_hppa.deb
          Size/MD5 checksum:    21004 912a261ede698514104c8fbc93b1b6bf
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_hppa.deb
          Size/MD5 checksum:    59894 5c4ca1daa388f43cc7b3972fc76da82a
    
      Intel IA-32 architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_i386.deb
          Size/MD5 checksum:    20166 c085606c87a9905a2c72e6dcd7305525
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_i386.deb
          Size/MD5 checksum:    57490 942bd5e1e6e928a841f4d95fd7bf71ee
    
      Intel IA-64 architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_ia64.deb
          Size/MD5 checksum:    23648 ed22bf531fe2b9711208df4e4e3389c6
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_ia64.deb
          Size/MD5 checksum:    74040 c2d7c1c250b89d9403a7c0199f5fae34
    
      Big endian MIPS architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_mips.deb
          Size/MD5 checksum:    20720 798efba0ced288d3833e2e7b18965ca1
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_mips.deb
          Size/MD5 checksum:    59772 7d974663a724e5a3ff9f777ceb6ff839
    
      Little endian MIPS architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_mipsel.deb
          Size/MD5 checksum:    20858 cd09139e896c5c11e160b6c10833a786
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_mipsel.deb
          Size/MD5 checksum:    60398 6a36307f4c7b3e13f85969ffb54e0e65
    
      PowerPC architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_powerpc.deb
          Size/MD5 checksum:    20540 1dca71d4ff863840bfea87c61456f084
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_powerpc.deb
          Size/MD5 checksum:    61312 1f19e449701c0f8dae0ea3463893b593
    
      IBM S/390 architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_s390.deb
          Size/MD5 checksum:    20490 8c50aa09194d05221750645eccfad15a
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_s390.deb
          Size/MD5 checksum:    58254 2c1c0e98d8e7ad0ab85fe0e5374d8dec
    
      Sun Sparc architecture:
    
        http://security.debian.org/pool/updates/main/p/pptpd/bcrelay_1.3.0-2etch1_sparc.deb
          Size/MD5 checksum:    20146 7c4b0159f15c3dd61bc0c3e067a019b1
        http://security.debian.org/pool/updates/main/p/pptpd/pptpd_1.3.0-2etch1_sparc.deb
          Size/MD5 checksum:    56976 657c5b4daf375eab89e13259c52e41b7
    
    
      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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