AusCERT - ESB-2002.720 -- HEWLETT-PACKARD SECURITY BULLETIN: HPSBUX0212-235 -- Sec. Vulnerability in JAVA Bytecode Verifier

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ESB-2002.720 -- HEWLETT-PACKARD SECURITY BULLETIN: HPSBUX0212-235 -- Sec. Vulnerability in JAVA Bytecode Verifier
Date: 23 December 2002

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             AUSCERT External Security Bulletin Redistribution

     ESB-2002.720 -- HEWLETT-PACKARD SECURITY BULLETIN: HPSBUX0212-235
               Sec. Vulnerability in JAVA Bytecode Verifier
                             23 December 2002

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

Product:                Java (JDK/JRE)
Vendor:                 Hewlett-Packard
Operating System:       HP-UX 11.x
Impact:                 Execute Arbitrary Code/Commands
                        Denial of Service
                        Reduced Security

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Document ID:  HPSBUX0212-235
Date Loaded:  20021219
      Title:  SSRT2438 Sec. Vulnerability in Java Bytecode verifier

 -----------------------------------------------------------------
 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN: HPSBUX0212-235
 Originally issued: 19 Dec 2002
 SSRT2438 Sec. Vulnerability in JAVA Bytecode Verifier 
 -----------------------------------------------------------------

NOTICE: There are no restrictions for distribution of this Bulletin
provided that it remains complete and intact.

The information in the following Security Bulletin should be
acted upon as soon as possible.  Hewlett-Packard Company will
not be liable for any consequences to any customer resulting
from customer's failure to fully implement instructions in this
Security Bulletin as soon as possible.

 ------------------------------------------------------------------
PROBLEM: Javasoft has issued Security Bulletin 109 concerning 
         problems with the Java Bytecode verifier initialization.

IMPACT:  Potential denial of Service, information leakage, or
         arbitrary execution of code.
         There are no reported attacks based on this vulnerability.

PLATFORM:  HP-UX versions of Java (1.1.X, 1.2.X, 1.3.X, and 1.4.X
           only.)

SOLUTION:  Update to version of Java with the security fix.
         1.1.X. -  Upgrade to 1.2.X, 1.3.X, or 1.4.X.
         1.2.X  -  1.2.2.14 (PA Only)
         1.3.X  -  1.3.1.08 (PA/IA)
         1.4.X  -  1.4.0.03 (PA Only)

MANUAL ACTIONS:  Yes - Update plus other actions
                      Update Java:
                      JDK/JRE 1.2.2.14 or higher for HP-UX 11.x,
                      JDK/JRE 1.3.1.08 or higher for HP-UX 11.x.
                      JDK/JRE 1.4.0.03 or higher for HP-UX 11.x.

AVAILABILITY:  Updated releases are available now from
              <www.hp.com/go/java>.
 ------------------------------------------------------------------
 A. Background
    Javasoft has issued their Security Bulletin 109.  A defect in the
    Bytecode Verifier may allow new instances of objects to be
    created without calling the proper initialization method
    from within the constructor of the created class.

    This bug may introduce vulnerabilities into any program that
    includes the affected libraries.  The resulting vulnerabilities
    may have one or more of the following impacts:  information
    leakage, incorrect execution of code.  There are no reported
    attacks based on this vulnerability

 B. Recommended solution
    Rectification of this issue requires a manual update to the
    appropriate version of the Java SDK and RTE, which contains
    the security fix from the website <www.hp.com/go/java>.

    1.1.X. -  Upgrade to 1.2.X, 1.3.X, or 1.4.X.
    1.2.X  -  1.2.2.14 (PA Only)
    1.3.X  -  1.3.1.08 (PA/IA)
    1.4.X  -  1.4.0.03 (PA Only)


 C. To subscribe to automatically receive future NEW HP Security
    Bulletins from the HP IT Resource Center via electronic
    mail, do the following:

    Use your browser to get to the HP IT Resource Center page
    at:

       http://itrc.hp.com

    Use the 'Login' tab at the left side of the screen to login
    using your ID and password.  Use your existing login or the
    "Register" button at the left to create a login, in order to
    gain access to many areas of the ITRC.  Remember to save the
    User ID assigned to you, and your password.

    In the left most frame select "Maintenance and Support".

    Under the "Notifications" section (near the bottom of
    the page), select "Support Information Digests".
     
    To -subscribe- to future HP Security Bulletins or other
    Technical Digests, click the check box (in the left column)
    for the appropriate digest and then click the "Update
    Subscriptions" button at the bottom of the page.

    or

    To -review- bulletins already released, select the link
    (in the middle column) for the appropriate digest.

    To -gain access- to the Security Patch Matrix, select
    the link for "The Security Bulletins Archive".  (near the
    bottom of the page)  Once in the archive the third link is
    to the current Security Patch Matrix. Updated daily, this
    matrix categorizes security patches by platform/OS release,
    and by bulletin topic.  Security Patch Check completely
    automates the process of reviewing the patch matrix for
    11.XX systems.

    For information on the Security Patch Check tool, see:
    http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
    displayProductInfo.pl?productNumber=B6834AA

    The security patch matrix is also available via anonymous
    ftp:

    ftp://ftp.itrc.hp.com/export/patches/hp-ux_patch_matrix/

    On the "Support Information Digest Main" page:
    click on the "HP Security Bulletin Archive".

 D. To report new security vulnerabilities, send email to

    security-alert@hp.com

    Please encrypt any exploit information using the
    security-alert PGP key, available from your local key
    server, or by sending a message with a -subject- (not body)
    of 'get key' (no quotes) to security-alert@hp.com.

 ------------------------------------------------------------------

(c) Copyright 2002 Hewlett-Packard Company
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
in this document is subject to change without notice.
Hewlett-Packard Company and the names of HP products referenced
herein are trademarks and/or service marks of Hewlett-Packard
Company.  Other product and company names mentioned herein may be
trademarks and/or service marks of their respective owners.

 ________________________________________________________________
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