Debian: gnupg Crytographic weakness

    Date18 Feb 2004
    CategoryDebian
    2357
    Posted ByLinuxSecurity Advisories
    Phong Nguyen identified a severe bug in the way GnuPG creates and usesElGamal keys for signing.
    
    - --------------------------------------------------------------------------
    Debian Security Advisory DSA 429-2                     This email address is being protected from spambots. You need JavaScript enabled to view it. 
    http://www.debian.org/security/                             Matt Zimmerman
    February 13th, 2004                      http://www.debian.org/security/faq
    - --------------------------------------------------------------------------
    
    Package        : gnupg
    Vulnerability  : cryptographic weakness
    Problem-Type   : local
    Debian-specific: no
    CVE Ids        : CAN-2003-0971
    
    Phong Nguyen identified a severe bug in the way GnuPG creates and uses
    ElGamal keys for signing.  This is a significant security failure
    which can lead to a compromise of almost all ElGamal keys used for
    signing.
    
    The update provided in DSA 459-1 disables the use of this type of key,
    using an interim fix.  This update, DSA 459-2, implements a more
    correct and permanent fix provided by David Shaw.
    
    For the current stable distribution (woody) this problem has been
    fixed in version 1.0.6-4woody3.
    
    We recommend that you update your gnupg 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/g/gnupg/gnupg_1.0.6-4woody3.dsc
          Size/MD5 checksum:      577 f5a742233c584754c479daf7dfe58a9e
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3.diff.gz
          Size/MD5 checksum:     5262 1ecf9f459e0b05c31128adac05ef2fe4
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6.orig.tar.gz
          Size/MD5 checksum:  1941676 7c319a9e5e70ad9bc3bf0d7b5008a508
    
      Alpha architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_alpha.deb
          Size/MD5 checksum:  1150082 724d4fcb6f2ff0969b5ceba82e8aabe5
    
      ARM architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_arm.deb
          Size/MD5 checksum:   986748 8efdbc409f140c1aaefadb97646944d6
    
      Intel IA-32 architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_i386.deb
          Size/MD5 checksum:   966408 50e5e44b2efa34d7c7d3a8fd630dc96a
    
      Intel IA-64 architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_ia64.deb
          Size/MD5 checksum:  1271406 4c5e77defc13bf4bae3d11431257e6a3
    
      HP Precision architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_hppa.deb
          Size/MD5 checksum:  1058822 02516b6984cf695ef31c970980d36864
    
      Motorola 680x0 architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_m68k.deb
          Size/MD5 checksum:   942188 ed7d9d16820608b3172be64f6b470b97
    
      Big endian MIPS architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_mips.deb
          Size/MD5 checksum:  1035630 9b25dd3f06580549bfa93ee429605d0e
    
      Little endian MIPS architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_mipsel.deb
          Size/MD5 checksum:  1035864 740243a767cc1ff53f116d0e97aa66a7
    
      PowerPC architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_powerpc.deb
          Size/MD5 checksum:  1009152 678b2fc28d01eac452d96f925d2d40b2
    
      IBM S/390 architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_s390.deb
          Size/MD5 checksum:  1001666 c5a70add4dfa1cb3828d9892513d3c15
    
      Sun Sparc architecture:
    
         http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.0.6-4woody3_sparc.deb
          Size/MD5 checksum:  1003634 32490333505f1804e9fcf4a786fbc293
    
      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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