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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@guardiandigital.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@guardiandigital.com> 
Copyright 2002, Guardian Digital, Inc. 


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