full-disclosure - [ESA-20020730-019] several vulnerabilities in the openssl library

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From: security at guardiandigital.com (EnGarde Secure Linux)
Subject: [ESA-20020730-019] several vulnerabilities in the openssl library

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+------------------------------------------------------------------------+
| EnGarde Secure Linux Security Advisory                   July 30, 2002 |
| http://www.engardelinux.org/                          ESA-20020730-019 |
|                                                                        |
| Packages: openssl, openssl-misc                                        |
| Summary:  several vulnerabilities in the openssl library.              |
+------------------------------------------------------------------------+

  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
- --------
  There are several potentially exploitable vulnerabilities in the OpenSSL
  toolkit.  A security review of OpenSSL is being done by A.L. Digital Ltd
  and The Bunker (http://www.thebunker.net/) under the DARPA program
  CHATS.  Through this review, the following vulnerabilities were
  discovered:

    1. The client master key in SSL2 could be oversized and overrun a
       buffer. This vulnerability was also independently discovered by
       consultants at Neohapsis (http://www.neohapsis.com/) who have
       also demonstrated that the vulnerability is exploitable.

    2. The session ID supplied to a client in SSL3 could be oversized and
       overrun a buffer.

    3. Various buffers for ASCII representations of integers were too
       small on 64 bit platforms.

    4. The ASN1 parser can be confused by supplying it with certain
       invalid encodings.

  The Common Vulnerabilities and Exposures project (cve.mitre.org) has
  assigned the name CAN-2002-0656 to issues 1-2, CAN-2002-0655 to issue 3,
  and CAN-2002-0659 to issue 4.

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/openssl-0.9.6-1.0.16.src.rpm
      MD5 Sum: 158ff68fb5474993694d1dd3f623b921

  Binary Packages:

    i386/openssl-0.9.6-1.0.16.i386.rpm
      MD5 Sum: 9f7bd4009f352a3a3a3519c97ebe988d

    i386/openssl-misc-0.9.6-1.0.16.i386.rpm
      MD5 Sum: 281794e60d923df695f6bcf8aa17055b

    i386/openssl-devel-0.9.6-1.0.16.i386.rpm
      MD5 Sum: 18b3ecd6b9d210180457caeb50a1331e

    i686/openssl-0.9.6-1.0.16.i686.rpm
      MD5 Sum: 872eadde6cb52bcf93fae967c72949b1

    i686/openssl-misc-0.9.6-1.0.16.i686.rpm
      MD5 Sum: 3baf870cbc35f3425cbd3110714ca3ed

    i686/openssl-devel-0.9.6-1.0.16.i686.rpm
      MD5 Sum: 718f5a6c89fac22f338177134fd5e6bd

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

  OpenSSL's Official Web Site:
    http://www.openssl.org/

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

- --------------------------------------------------------------------------
$Id: ESA-20020730-019-openssl,v 1.2 2002/07/30 12:05:04 rwm Exp $
- --------------------------------------------------------------------------
Author: Ryan W. Maple <ryan@...rdiandigital.com> 
Copyright 2002, Guardian Digital, Inc.

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