security bulletins digest

From: IT Resource Center (support_feedback@us-support.external.hp.com)
Date: 12/06/01


Date: Thu, 6 Dec 2001 03:46:59 -0800 (PST)
From: support_feedback@us-support.external.hp.com (IT Resource Center )
To: security_info@us-support.external.hp.com


                        HP Support Information Digests

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Digest Name: daily security bulletins digest
    Created: Thu Dec 6 3:00:02 PST 2001

Table of Contents:

Document ID Title
--------------- -----------
HPSBUX0110-168 Sec. Vulnerability in rpc.ttdbserverd (rev.3)
HPSBTL0112-003 Security vulnerabilities in the kernel

The documents are listed below.
-------------------------------------------------------------------------------


Document ID: HPSBUX0110-168
Date Loaded: 20011205
      Title: Sec. Vulnerability in rpc.ttdbserverd (rev.3)

---------------------------------------------------------------
    HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0168,
    Originally issued: 01 October '01
    **Revision 01**: 03 October '01
    **Revision 02**: 19 November '01
    **Revision 03**: 05 December '01
 ---------------------------------------------------------------

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: Buffer overflow in rpc.ttdbserver

PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.10,
          10.20, 10.24, 11.00, 11.04, and 11.11.

DAMAGE: Unauthorized access, increased privileges.

SOLUTION: Install the appropriate patch:
                    10.10 PHSS_25136,
                    10.20 PHSS_25137,
                    10.24 PHSS_25419,
                    11.00 PHSS_25138,
                    11.04 PHSS_25420,
                    11.11 PHSS_25139.

MANUAL ACTIONS: none

AVAILABILITY: All listed patches are available now.

CHANGE SUMMARY: Rev.01 Updated patch information, deleted old
                        instructions.
                 Rev.02 Updated patch information again.
                 Rev.03 Updated instructions for disabling
                        rpc.ttdbserver
 ---------------------------------------------------------------
 A. Background
     A remotely exploitable buffer overflow in rpc.ttdbserver has
     been reported to HP.

 B. Fixing the problem

     Install the appropriate patch. An alternative is to disable
     rpc.ttdbserver. The rpc.ttdbserver process is not needed for
     the programs provided in HP's CDE product. It may be needed
     by third party applications using ToolTalk. If you are not
     using ToolTalk applications rpc.ttdbserver may be disabled.

**Rev.03**

     Edit /etc/inetd.conf and comment out the rpc.ttdbserver
     line as follows:

#rpc stream tcp swait root /usr/dt/bin/rpc.ttdbserver ...

     Restart inetd:

         /usr/sbin/inetd -c

     Kill any instances of rpc.ttdbserver that might be
     running.

 C. Recommended solution
    Install the appropriate patch:
                   10.10 PHSS_25136,
                   10.20 PHSS_25137,
                   10.24 PHSS_25419,
                   11.00 PHSS_25138,
                   11.04 PHSS_25420,
                   11.11 PHSS_25139.

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

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

 E. 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.

    Permission is granted for copying and circulating this
    Bulletin to Hewlett-Packard (HP) customers (or the Internet
    community) for the purpose of alerting them to problems,
    if and only if, the Bulletin is not edited or changed in
    any way, is attributed to HP, and provided such reproduction
    and/or distribution is performed for non-commercial purposes.

    Any other use of this information is prohibited. HP is not
    liable for any misuse of this information by any third party.
 ________________________________________________________________
-----End of Document ID: HPSBUX0110-168--------------------------------------


Document ID: HPSBTL0112-003
Date Loaded: 20011206
      Title: Security vulnerabilities in the kernel

---------------------------------------------------------------
    HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #003
    Originally issued: 06 December '01
---------------------------------------------------------------

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: Security vulnerabilities in the kernel.

PLATFORM: Any system running HP Secure OS software for Linux Release 1.0

DAMAGE: Potential for denial of service attacks and for local users to
          gain unauthorized root access.

SOLUTION: Apply the appropriate patch.

MANUAL ACTIONS: None

AVAILABILITY: The patches are available now.
---------------------------------------------------------------
 A. Background

    HP Secure OS software for Linux Release 1.0 was based upon the 2.4.5
    version of the Linux kernel. Since that release, vulnerabilities have
    been discovered as follows: -

     i) a flaw in the syncookies mechanism used to protect a system against
        certain Denial Of Service (DOS) attacks. (Note: syncookies are not
        enabled in the default installation of Secure Linux Release 1.0.)

    ii) a flaw within the ptrace code within the kernel that could be
        exploited to allow unauthorized root access.

    These vulnerabilities are fixed in the Linux kernel version 2.4.9-12. A
    set of patches for HP Secure OS software for Linux has been produced
    using the 2.4.9-12 kernel sources as a base onto which the security
    features of HP Secure OS software for Linux have been ported.

 B. Fixing the problem

    Apply one of the following patches (depending upon the processor
    architecture on the installed system):

                  Architecture Patch ID
                  ------------ --------
                  i586 HPTL_00004
                  i686-UNP HPTL_00005
                  i686-SMP HPTL_00006

    These patches are available as follows: -

    Use your browser to access 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. Remember to save the
    User ID assigned to you, and your password. This login provides
    access to many useful areas of the ITRC.

    Under the "Maintenance and Support" section, select "Individual Patches".

    In the field at the bottom of the page labeled "retrieve a specific patch
    by entering the patch name", enter {{ Patch number (s) }}

    For instructions on installing the patch, please see the install text file
    included in the patch.

 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 access 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. Remember to
    save the User ID assigned to you, and your password. This
    login provides access to many useful areas of the ITRC.

    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.

 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. You ma also get the security-alert PGP key by
    sending a message with a -subject- (not body) of
    'get key' (no quotes) to security-alert@hp.com.

    Permission is granted for copying and circulating this
    Bulletin to Hewlett-Packard (HP) customers (or the Internet
    community) for the purpose of alerting them to problems,
    if and only if, the Bulletin is not edited or changed in
    any way, is attributed to HP, and provided such reproduction
    and/or distribution is performed for non-commercial purposes.

    Any other use of this information is prohibited. HP is not
    liable for any misuse of this information by any third party.
 ---------------------------------------------------------------
-----End of Document ID: HPSBTL0112-003--------------------------------------



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