Linux Security
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    Linux Security

    Debian: New isakmpd packages fix replay protection bypass

    Date 13 Sep 2006
    2544
    Posted By LinuxSecurity Advisories
    A flaw has been found in isakmpd, OpenBSD's implementation of the Internet Key Exchange protocol, that caused Security Associations to be created with a replay window of 0 when isakmpd was acting as the responder during SA negotiation. This could allow an attacker to re-inject sniffed IPsec packets, which would not be checked against the replay counter.
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 1175-1                    This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                             Noah Meyerhans
    September 13th, 2006                    https://www.debian.org/security/faq
    - --------------------------------------------------------------------------
    
    Package        : isakmpd
    Vulnerability  : programming error
    Problem-Type   : remote
    Debian-specific: no
    CVE ID         : CVE-2006-4436
    BugTraq ID     : 19712
    Debian Bug     : 385894
    
    A flaw has been found in isakmpd, OpenBSD's implementation of the
    Internet Key Exchange protocol, that caused Security Associations to be
    created with a replay window of 0 when isakmpd was acting as the
    responder during SA negotiation.  This could allow an attacker to
    re-inject sniffed IPsec packets, which would not be checked against the
    replay counter.
    
    For the stable distribution (sarge) this problem has been fixed in
    version 20041012-1sarge1
    
    For the unstable distribution (sid) this problem has been fixed in
    version 20041012-4
    
    We recommend that you upgrade your isakmpd 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 3.1 alias sarge
    - --------------------------------
    
      Source archives:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1.dsc
          Size/MD5 checksum:      661 35e8865c2759c66f01c0563a4bdfc124
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1.diff.gz
          Size/MD5 checksum:    68877 90e47af5080893c9ccf7d38aebef6760
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012.orig.tar.gz
          Size/MD5 checksum:   373941 e6d25a9e232fb186e1a48dc06453bd57
    
      Alpha architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_alpha.deb
          Size/MD5 checksum:   708414 e6894a5a6c7a4586f2c22d28cd0a8f84
    
      AMD64 architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_amd64.deb
          Size/MD5 checksum:   544652 43df55b5251b4cbb2bf3c4fe3528827f
    
      ARM architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_arm.deb
          Size/MD5 checksum:   473492 92e5b4ae0fbbb14104d39fe0b1a24597
    
      HP Precision architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_hppa.deb
          Size/MD5 checksum:   535124 d97d6a0357c332c72a8ac313a7f1c301
    
      Intel IA-32 architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_i386.deb
          Size/MD5 checksum:   497670 0a58ae7ef43c38853a58d430389d1840
    
      Intel IA-64 architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_ia64.deb
          Size/MD5 checksum:   786026 f8e473ef442260b13076aa6add875c99
    
      Motorola 680x0 architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_m68k.deb
          Size/MD5 checksum:   421268 3f57254cfdded5e2615f4c3b277133e9
    
      Big endian MIPS architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_mips.deb
          Size/MD5 checksum:   568914 cf14999a58edbb20545d8a63f7311f87
    
      Little endian MIPS architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_mipsel.deb
          Size/MD5 checksum:   567060 38fca5d17f6be2c843f92aed15ac3830
    
      PowerPC architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_powerpc.deb
          Size/MD5 checksum:   555978 f3786f6d0f4e556587b372a753184cca
    
      IBM S/390 architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_s390.deb
          Size/MD5 checksum:   548240 e9cbc0d97b19aac56686d7384de1c219
    
      Sun Sparc architecture:
    
        https://security.debian.org/pool/updates/main/i/isakmpd/isakmpd_20041012-1sarge1_sparc.deb
          Size/MD5 checksum:   514166 7318cf5d5f419d5d00b45faf6d5bc3e1
    
    
      These files will probably be moved into the stable distribution on
      its next update.
    
    - ---------------------------------------------------------------------------------
    For apt-get: deb https://security.debian.org/ stable/updates main
    For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
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