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             AUSCERT External Security Bulletin Redistribution

                               ESB-2009.1471
 A Security Vulnerability in Solaris Sockets Direct Protocol (SDP) Driver
                 may Allow Users to Exhaust Kernel Memory
                              4 November 2009

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

Product:           Solaris Sockets Direct Protocol
Publisher:         Sun Microsystems
Operating System:  Solaris
                   OpenSolaris
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade

Original Bulletin: 
   http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-264730-1

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A Security Vulnerability in Solaris Sockets Direct Protocol (SDP)
Driver (sdp(7D)) may Allow Users to Exhaust Kernel Memory
  _________________________________________________________________

Category : AvailabilitySecurity
Release Phase : Resolved
Bug Id : 6648139
Product : Solaris 10 Operating System
OpenSolaris
Date of Resolved Release : 02-Nov-2009

A security vulnerability in Solaris Sockets Direct Protocol (SDP) 
driver (sdp(7D)):


1. Impact

A security vulnerability in Solaris Sockets Direct Protocol (SDP)
driver (sdp(7D)) may allow a local or remote unprivileged user to
exhaust all kernel memory.  This is a type of Denial of Service (DoS).
Note: No applications bundled with Solaris are affected by this issue
however third-party applications which make use of SDP may be
affected.

2. Contributing Factors

This issue can occur in the following releases:
SPARC Platform
  * Solaris 10 with patch 127127-11 and without patch 141444-09
  * OpenSolaris based upon builds snv_57 through snv_94

x86 Platform
  * Solaris 10 with patch 127128-11 and without patch 141445-09
  * OpenSolaris based upon builds snv_57 through snv_94

Note 1: Solaris 8 and Solaris 9 are not impacted by this issue.
Note 2: OpenSolaris distributions may include additional bug fixes
above and beyond the build from which it was derived.  To determine
the base build of OpenSolaris, the following command can be used:
 $ uname -v
 snv_111

Note 3: This issue only affects applications written to use the
Sockets Direct Protocol (SDP) driver. No applications shipped with
Solaris are affected by this issue.

3. Symptoms

There are no predictable symptoms that would indicate the described
vulnerability has been exploited.

4. Workaround

There is no workaround for this issue. Please see the Resolution
section below.

5. Resolution
This issue is addressed in the following releases:
SPARC Platform
  * Solaris 10 with patch 141444-09 or later
  * OpenSolaris based upon builds snv_95 or later

x86 Platform
  * Solaris 10 with patch 141445-09 or later
  * OpenSolaris based upon builds snv_95 or later

For more information on Security Sun Alerts, see Technical
Instruction ID 213557.

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 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved

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