Engarde Secure Linux

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+------------------------------------------------------------------------+
| Guardian Digital Bugfix Advisory                    September 11, 2003 |
| http://www.guardiandigital.com                        EBA-20030911-021 |
|                                                                        |
| Package: stunnel                                                       |
| Summary: Fixes zombie processes in the new SIGCHLD handling.           |
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  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
- --------
  This version corrects a bug introduced in 3.25, which was released to
  fix the original SIGCHLD vulnerability, in the new SIGCHLD handling
  which caused defunct/zombie processes in local mode (-l or -L) on some
  systems.  It also fixes a problem where the accepting socket could hang
  under certain conditions which is the common method of use on an EnGarde
  system.

  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/stunnel-3.26-1.0.7.src.rpm
      MD5 Sum: cb7f8d1533d0d69c477e1ee9390ad026

    i386/stunnel-3.26-1.0.7.i386.rpm
      MD5 Sum: e8b5dda6e7e0a9f28b1f0937fbb49169

    i686/stunnel-3.26-1.0.7.i686.rpm
      MD5 Sum: 4f05122fc1f57557340091294035626c

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

  Stunnel's Official Web Site:
    http://stunnel.mirt.net/

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

  Security Contact: security@guardiandigital.com

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Author: Nick DeClario <nick@guardiandigital.com>
Copyright 2003, Guardian Digital, Inc.

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