Debian: l2tpd Buffer overflow vulnerability

    Date22 Jul 2004
    CategoryDebian
    2340
    Posted ByLinuxSecurity Advisories
    By exploting this, a remote attacker could potentially cause arbitrary code to be executed by transmitting a specially crafted packet.
    
    Debian Security Advisory DSA 530-1                     This email address is being protected from spambots. You need JavaScript enabled to view it. 
    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: This email address is being protected from spambots. You need JavaScript enabled to view it.
    Package info: `apt-cache show ' and  http://packages.debian.org/
    
    
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