- --------------------------------------------------------------------------
Debian Security Advisory DSA 429-2                     security@debian.org 
Debian -- Security Information                              Matt Zimmerman
February 13th, 2004                      Debian -- Debian 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:

      
      Size/MD5 checksum:      577 f5a742233c584754c479daf7dfe58a9e
      
      Size/MD5 checksum:     5262 1ecf9f459e0b05c31128adac05ef2fe4
      
      Size/MD5 checksum:  1941676 7c319a9e5e70ad9bc3bf0d7b5008a508

  Alpha architecture:

      
      Size/MD5 checksum:  1150082 724d4fcb6f2ff0969b5ceba82e8aabe5

  ARM architecture:

      
      Size/MD5 checksum:   986748 8efdbc409f140c1aaefadb97646944d6

  Intel IA-32 architecture:

      
      Size/MD5 checksum:   966408 50e5e44b2efa34d7c7d3a8fd630dc96a

  Intel IA-64 architecture:

      
      Size/MD5 checksum:  1271406 4c5e77defc13bf4bae3d11431257e6a3

  HP Precision architecture:

      
      Size/MD5 checksum:  1058822 02516b6984cf695ef31c970980d36864

  Motorola 680x0 architecture:

      
      Size/MD5 checksum:   942188 ed7d9d16820608b3172be64f6b470b97

  Big endian MIPS architecture:

      
      Size/MD5 checksum:  1035630 9b25dd3f06580549bfa93ee429605d0e

  Little endian MIPS architecture:

      
      Size/MD5 checksum:  1035864 740243a767cc1ff53f116d0e97aa66a7

  PowerPC architecture:

      
      Size/MD5 checksum:  1009152 678b2fc28d01eac452d96f925d2d40b2

  IBM S/390 architecture:

      
      Size/MD5 checksum:  1001666 c5a70add4dfa1cb3828d9892513d3c15

  Sun Sparc architecture:

      
      Size/MD5 checksum:  1003634 32490333505f1804e9fcf4a786fbc293

  These files will probably be moved into the stable distribution on
  its next revision.

- ---------------------------------------------------------------------------------
For apt-get: deb  Debian -- Security Information  stable/updates main
For dpkg-ftp:    dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and  http://packages.debian.org/

Debian: gnupg Crytographic weakness

February 18, 2004
Phong Nguyen identified a severe bug in the way GnuPG creates and usesElGamal keys for signing.

Summary

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:


Size/MD5 checksum: 577 f5a742233c584754c479daf7dfe58a9e

Size/MD5 checksum: 5262 1ecf9f459e0b05c31128adac05ef2fe4

Size/MD5 checksum: 1941676 7c319a9e5e70ad9bc3bf0d7b5008a508

Alpha architecture:


Size/MD5 checksum: 1150082 724d4fcb6f2ff0969b5ceba82e8aabe5

ARM architecture:


Size/MD5 checksum: 986748 8efdbc409f140c1aaefadb97646944d6

Intel IA-32 architecture:


Size/MD5 checksum: 966408 50e5e44b2efa34d7c7d3a8fd630dc96a

Intel IA-64 architecture:


Size/MD5 checksum: 1271406 4c5e77defc13bf4bae3d11431257e6a3

HP Precision architecture:


Size/MD5 checksum: 1058822 02516b6984cf695ef31c970980d36864

Motorola 680x0 architecture:


Size/MD5 checksum: 942188 ed7d9d16820608b3172be64f6b470b97

Big endian MIPS architecture:


Size/MD5 checksum: 1035630 9b25dd3f06580549bfa93ee429605d0e

Little endian MIPS architecture:


Size/MD5 checksum: 1035864 740243a767cc1ff53f116d0e97aa66a7

PowerPC architecture:


Size/MD5 checksum: 1009152 678b2fc28d01eac452d96f925d2d40b2

IBM S/390 architecture:


Size/MD5 checksum: 1001666 c5a70add4dfa1cb3828d9892513d3c15

Sun Sparc architecture:


Size/MD5 checksum: 1003634 32490333505f1804e9fcf4a786fbc293

These files will probably be moved into the stable distribution on
its next revision.

For apt-get: deb Debian -- Security Information stable/updates main
For dpkg-ftp: dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and http://packages.debian.org/



Severity
Package : gnupg
Vulnerability : cryptographic weakness
Problem-Type : local
Debian-specific: no
CVE Ids : CAN-2003-0971

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