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             AUSCERT External Security Bulletin Redistribution

                        ESB-2007.0271 -- [Solaris]
        Security Vulnerabilities in OpenSSL May Lead to a Denial of
                       Service (DoS) to Applications
                             14 November 2007

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              OpenSSL
Publisher:            Sun Microsystems
Operating System:     Solaris 9
                      Solaris 10
Impact:               Denial of Service
Access:               Remote/Unauthenticated
CVE Names:            CVE-2006-2937 CVE-2006-2940

Ref:                  AL-2006.0084

Original Bulletin:    
  http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102747-1

Revision History:     November 14 2007: Updated the product field to 
                                        include Solaris 9. 
                                        Updated the Contributing Factors to 
                                        include all vulnerable applications 
                                        and releases. 
                                        Updated the Resolution to list the 
                                        releases that fix this 
                                        vulnerability.
                         April 26 2007: Initial Release

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Sun(sm) Alert Notification
     * Sun Alert ID: 102747
     * Synopsis: Security Vulnerabilities in OpenSSL May Lead to a Denial
       of Service (DoS) to Applications
     * Category: Security
     * Product: Solaris 9 Operating System, Solaris 10 Operating System
     * BugIDs: 6476279
     * Avoidance: Patch
     * State: Resolved
     * Date Released: 12-Dec-2006, 23-Apr-2007
     * Date Closed: 23-Apr-2007
     * Date Modified: 23-Apr-2007, 08-Nov-2007

1. Impact

   Two security vulnerabilities in the OpenSSL product may lead to a
   Denial of Service (DoS) in applications which make use of this
   product. Depending on the individual application, these
   vulnerabilities may allow a local or remote unprivileged user to
   provide data to the application which will cause it to consume
   excessive amounts of CPU time or system memory.

   OpenSSL is shipped with Solaris 10 (see openssl(5)). This library is
   not shipped with Solaris 9, however, a number of Solaris 9
   applications statically link against this library and may be affected
   by these vulnerabilities. This Sun Alert provides details about the
   individual patches which should be installed to update the OpenSSL
   product on Solaris 10 and all potentially impacted Solaris 9
   applications.

   These issues are also referenced at the following URLs:
     * http://www.openssl.org/news/secadv_20060928.txt
     * http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2937
     * http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2940

   The WAN Boot application, which is shipped with Solaris 9 and Solaris
   10, is impacted by these vulnerabilities. For more information, please
   see Sun Alert 102759.

2. Contributing Factors

   This issue can occur in the following releases:

   SPARC Platform
     * Solaris 9 SSH without patches 113273-14 and 114356-11
     * Solaris 9 Packaging utilities without patch 113713-24
     * Solaris 10 without patch 121229-02

   x86 Platform
     * Solaris 9 SSH without patches 114357-10 and 114858-11
     * Solaris 9 Packaging utilities without patch 114568-23
     * Solaris 10 without patch 121230-02

   Note 1: Solaris 8 is not impacted by this issue.

   Note 2: Solaris 9 does not ship with OpenSSL libraries which can be
   used for third-party application linking.

3. Symptoms

   If either of the two issues mentioned above have been exploited,
   processes belonging to the affected applications will be consuming
   unusually large amounts of CPU time or memory, and applications
   running on the system may be slow or unresponsive. Commands such as
   prstat(1M) can be used to determine the utilization of system
   resources, for example:
    $ prstat -s cpu
    [...]
    $ prstat -s size
    [...] 

4. Relief/Workaround

   There is no workaround for this issue.

5. Resolution

   This issue is addressed in the following releases:

   SPARC Platform
     * Solaris 9 SSH with patches 113273-14 and 114356-11 or
       later
     * Solaris 9 Packaging utilities with patch 113713-24 or later
     * Solaris 10 with patch 121229-02 or later

   x86 Platform
     * Solaris 9 SSH with patches 114357-10 and 114858-11 or
       later
     * Solaris 9 Packaging utilities with patch 114568-23 or later
     * Solaris 10 with patch 121230-02 or later

Change History

   23-Apr-2007:
     * State: Resolved
     * Updated Contributing Factors and Resolution sections

   08-Nov-2007:
     * Updated Product field
     * Updated Contributing Factors and Resolution sections

   This Sun Alert notification is being provided to you on an "AS IS"
   basis. This Sun Alert notification may contain information provided by
   third parties. The issues described in this Sun Alert notification may
   or may not impact your system(s). Sun makes no representations,
   warranties, or guarantees as to the information contained herein. ANY
   AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
   WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
   NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
   YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
   INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
   OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
   This Sun Alert notification contains Sun proprietary and confidential
   information. It is being provided to you pursuant to the provisions of
   your agreement to purchase services from Sun, or, if you do not have
   such an agreement, the Sun.com Terms of Use. This Sun Alert
   notification may only be used for the purposes contemplated by these
   agreements.

   Copyright 2000-2006 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved


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