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Home » Hacking News » EnGarde ESA-20030515-016: Gnupg incorrect key validation

EnGarde ESA-20030515-016: Gnupg incorrect key validation

by Nikola Strahija on May 16th, 2003 A key validation bug was recently discovered which could cause keys with more than one user ID to trust all user ID's with the amount of trust given to the most-valid user ID.


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+------------------------------------------------------------------------+
| Guardian Digital Security Advisory May 15, 2003 |
| http://www.guardiandigital.com ESA-20030515-016 |
| |
| Package: gnupg |
| Summary: key validation bug. |
+------------------------------------------------------------------------+

EnGarde Secure Linux is an enterprise class Linux platform engineered
to enable corporations to quickly and cost-effectively build a complete
and secure Internet presence while preventing Internet threats.

OVERVIEW
- --------
A key validation bug was recently discovered in the GNU Privacy Guard
(GPG) which would cause keys with more then one user ID to trust all
user ID's with the amount of trust given to the most-valid user ID.

Guardian Digital products affected by this issue include:

EnGarde Secure Community v1.0.1
EnGarde Secure Community 2
EnGarde Secure Professional v1.1
EnGarde Secure Professional v1.2
EnGarde Secure Professional v1.5

It is recommended that all users apply this update as soon as possible.

SOLUTION
- --------
Guardian Digital Secure Network subscribers may automatically update
affected systems by accessing their account from within the Guardian
Digital WebTool.

To modify your GDSN account and contact preferences, please go to:

https://www.guardiandigital.com/account/

Below are MD5 sums for the updated EnGarde Secure Linux 1.0.1 packages:

SRPMS/gnupg-1.2.2-1.0.4.src.rpm
MD5 Sum: 62ac94d11956c234bf2d6ac2f87faf37

i386/gnupg-1.2.2-1.0.4.i386.rpm
MD5 Sum: 28972955d45a9bf5a3435465feddf1c5

i686/gnupg-1.2.2-1.0.4.i686.rpm
MD5 Sum: bf3682e2c8197ce2dd03be9f02984c9d

REFERENCES
- ----------
Guardian Digital's public key:
http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY

gnupg's Official Web Site:
http://www.gnupg.org/

Guardian Digital Advisories:
http://infocenter.guardiandigital.com/advisories/

Security Contact: [email protected]

- --------------------------------------------------------------------------
Author: Ryan W. Maple
Copyright 2003, Guardian Digital, Inc.

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with "unsubscribe" in the subject of the message.

Copyright(c) 2003 Guardian Digital, Inc. GuardianDigital.com
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