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                                  CERT-Renater

                       Note d'Information No. 2005/VULN639
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DATE                      : 17/10/2005

HARDWARE PLATFORM(S)      : /

OPERATING SYSTEM(S)       : Solaris 10.

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Sun(sm) Alert Notification
      * Sun Alert ID: 101881
      * Synopsis: Security Vulnerabilities In Solaris 10 SCTP Socket
        Option Processing
      * Category: Security
      * Product: Solaris 10 Operating System
      * BugIDs: 6248555, 6250374
      * Avoidance: Patch
      * State: Resolved
      * Date Released: 13-Oct-2005
      * Date Closed: 13-Oct-2005
      * Date Modified:

1. Impact

    Multiple security vulnerabilities in Solaris 10 SCTP Socket Option
    Processing (see sctp(7P)) may allow an unprivileged local user to
    panic the system, resulting in a Denial of Service (DoS).

2. Contributing Factors

    These issues can occur in the following releases:

    SPARC Platform
      * Solaris 10 without patch 119075-09

    x86 Platform
      * Solaris 10 without patch 119076-08

    Note: Solaris 7 will not be evaluated regarding the potential impact
    of the issue described in this Sun Alert. Solaris 8 and 9 are not
    impacted by this issue.

3. Symptoms

    The system may panic with a stack trace similar to the following:
     ...
     vpanic()
     sosctp_setsockopt()
     setsockopt()
     ...

4. Relief/Workaround

    There is no workaround. Please see the Resolution section below.

5. Resolution

    These issues are addressed in the following releases:

    SPARC Platform
      * Solaris 10 with patch 119075-09 or later

    x86 Platform
      * Solaris 10 with patch 119076-08 or later

    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 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa
    Clara, CA 95054 U.S.A. All rights reserved

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