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TUCoPS :: Linux :: Apps N-Z :: esa2-016.txt

openssh - several vulnerabilities in the OpenSSH daemon. - ESA-20020702-016




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| EnGarde Secure Linux Security Advisory                   July 02, 2002 |
| http://www.engardelinux.org/ ESA-20020702-016 |
|                                                                        |
| Package: openssh                                                       |
| Summary: several vulnerabilities in the OpenSSH daemon.                |
+------------------------------------------------------------------------+

  EnGarde Secure Linux is a secure distribution of Linux that features
  improved access control, host and network intrusion detection, Web
  based secure remote management, complete e-commerce using AllCommerce,
  and integrated open source security tools.

OVERVIEW
- --------
  ISS and the OpenBSD team found several vulnerabilities in the OpenSSH
  secure shell daemon as outlined by the OpenSSH advisory [1] and the ISS
  advisory [2].  Guardian Digital issued ESA-20020625-015 on June 25,
  2002, upgrading all users to version 3.3p1 which introduced privilege
  separation (and mitigates some of the risk introduced by these
  vulnerabilities).

  This update brings the current version up to 3.4p1 and properly fixes
  the known bugs, along with a potential class of new bugs (as mentioned
  in the OpenSSH advisory).

  [1] http://www.openssh.org/txt/preauth.adv
[2] http://www.openssh.org/txt/iss.adv

SOLUTION
- --------
  Users of the EnGarde Professional edition can use the Guardian Digital
  Secure Network to update their systems automatically.

  EnGarde Community users should upgrade to the most recent version
  as outlined in this advisory.  Updates may be obtained from:

    ftp://ftp.engardelinux.org/pub/engarde/stable/updates/
http://ftp.engardelinux.org/pub/engarde/stable/updates/

Before upgrading the package, the machine must either:

    a) be booted into a "standard" kernel; or
    b) have LIDS disabled.

  To disable LIDS, execute the command:

    # /sbin/lidsadm -S -- -LIDS_GLOBAL

  To install the updated package, execute the command:

    # rpm -Uvh files

  You must now update the LIDS configuration by executing the command:

    # /usr/sbin/config_lids.pl

  To re-enable LIDS (if it was disabled), execute the command:

    # /sbin/lidsadm -S -- +LIDS_GLOBAL

  To verify the signatures of the updated packages, execute the command:

    # rpm -Kv files

UPDATED PACKAGES
- ----------------
  These updated packages are for EnGarde Secure Linux Community
  Edition.

  Source Packages:

    SRPMS/openssh-3.4p1-1.0.22.src.rpm
      MD5 Sum: 1fbec8b1e3269abf0d27d34e4902b045

  Binary Packages:

    i386/openssh-3.4p1-1.0.22.i386.rpm
      MD5 Sum: 8eb4a1d6c34f6754e5857eecd82fd5cb

    i386/openssh-clients-3.4p1-1.0.22.i386.rpm
      MD5 Sum: 9110b0b12a6345959da021b75f3eb1d9

    i386/openssh-server-3.4p1-1.0.22.i386.rpm
      MD5 Sum: 7790b373ca78f2870b2d55f1bda6735e

    i686/openssh-3.4p1-1.0.22.i686.rpm
      MD5 Sum: 28e2d5ef72e1a5440538a95cd94f3b34

    i686/openssh-clients-3.4p1-1.0.22.i686.rpm
      MD5 Sum: 553fb5b433f73db0811e1b0082fd5e29

    i686/openssh-server-3.4p1-1.0.22.i686.rpm
      MD5 Sum: aad48cf9fab8427a1a811f46f78259dc

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

OpenSSH's Official Web Site:
    http://www.openssh.org/

Security Contact:   security@guardiandigital.com
EnGarde Advisories: http://www.engardelinux.org/advisories.html

- --------------------------------------------------------------------------
$Id: ESA-20020702-016-openssh,v 1.1 2002/07/02 08:58:43 rwm Exp $
- --------------------------------------------------------------------------
Author: Ryan W. Maple <ryan@guardiandigital.com> Copyright 2002, Guardian Digital, Inc.

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