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CONECTIVA LINUX SECURITY ANNOUNCEMENT 
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PACKAGE   : gnupg
SUMMARY   : GnuPG key validity vulnerability
DATE      : 2003-07-11 16:02:00
ID        : CLA-2003:694
RELEVANT
RELEASES  : 7.0, 8, 9

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DESCRIPTION
 GnuPG[1] is a OpenPGP-compliant tool for secure communication used
 to, for example, sign emails, encrypt, decrypt and verify (signed)
 data.
 
 During the development of GnuPG 1.2.2, a bug has been found in the
 key validation code. This bug causes keys with more than one user ID
 to give all user IDs on the key the amount of validity given to the
 most-valid key. In this situation, GnuPG would not emit a warning
 when a low trust ID is used for encryption if that key also contains
 a trusted enough ID.
 
 Keys with only one ID are not affected by this problem.
 
 For Conectiva Linux 7.0 and 8, the GnuPG package has been updated to
 version 1.0.7 and includes a fix provided by the authors[2]. GnuPG in
 Conectiva Linux 9 does not need a version upgrade and includes the
 same patch.
 


SOLUTION
 It is recommended that all GnuPG users upgrade their packages.
 
 IMPORTANT: as part of the changes introduced in GnuPG versions 1.0.7
 and later, public keys for which the user as a corresponding secret
 key are no longer automatically considered trusted. To ease the
 transition, a script called "convert-from-106" (part of GnuPG-1.2.2)
 has been included in these packages. If executed, this script will
 mark as trusted all public keys for which the current user has the
 corresponding private keys.
 
 
 REFERENCES
 1.http://www.gnupg.org/
 2.http://lists.gnupg.org/pipermail/gnupg-announce/2003q2/000268.html
 3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=2003-0255


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/gnupg-1.0.7-1U70_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/gnupg-1.0.7-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/gnupg-doc-1.0.7-1U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/gnupg-1.0.7-1U80_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/gnupg-1.0.7-1U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/gnupg-doc-1.0.7-1U80_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/gnupg-1.2.1-19780U90_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/gnupg-1.2.1-19780U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/gnupg-doc-1.2.1-19780U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/gnupg-keyserver-plugins-1.2.1-19780U90_1cl.i386.rpm


ADDITIONAL INSTRUCTIONS
 The apt tool can be used to perform RPM packages upgrades:

 - run:                 apt-get update
 - after that, execute: apt-get upgrade

 Detailed instructions reagarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at 
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en

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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

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Copyright (c) 2003 Conectiva Inc.
http://www.conectiva.com

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