SSRT3461 SSRT2462 Rev.1 uucp(1) and uusub(1)

From: Security Alert (secure_at_cup.hp.com)
Date: 01/21/04


Date: 21 Jan 2004 06:30:41 -0700


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 **REVISED 01**
 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN: HPSBUX0306-262
 Originally issued: 2 June 2003
 Last update: 20 January 2004
 SSRT3461 SSRT2462 (Rev.1) uucp(1) and uusub(1)
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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.

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PROBLEM: uusub(1) and uucp(1) have potential buffer overflows.

IMPACT: Potential local escalation of privileges.

PLATFORM: HP-UX releases B.10.20, B.11.00, and B.11.11.

**REVISED 01**
SOLUTION: Apply the appropriate patch:
               PHCO_29382 for B.11.11
               PHCO_29381 for B.11.00

**REVISED 01**
MANUAL ACTIONS: No

**REVISED 01**
AVAILABILITY: All patches are available on <itrc.hp.com>.

CHANGE SUMMARY: Rev. 01 Final patches released
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 A. Background
    A potential buffer overflow in uucp(1) and uusub has been
    identified and has now been fixed. This problem only affects
    HP-UX releases 10.20, 11.00 and 11.11.

 --> AFFECTED VERSIONS

     The following is a list by HP-UX revision of
     affected filesets or patches and fix information.
     To determine if a system has an affected version,
     search the output of "swlist -a revision -l fileset"
     for an affected fileset or patch, then determine if
     a fixed revision or applicable patch is installed.

 --> HP-UX B.11.11
     =============
     UUCP.UUCP
     fix: install PHCO_29382 or subsequent

 --> HP-UX B.11.00
     =============
     UUCP.UUCP
     UUCP.UUCP-ENG-A-MAN
     fix: install PHCO_29381 or subsequent

 --> HP-UX B.10.20
     =============
     UUCP.UUCP
     UUCP.UUCP-ENG-A-MAN
     fix: write to security-alert@hp.com for information.

    END AFFECTED VERSIONS

    NOT IMPACTED:
      HP NonStop Servers,
      HP Tru64 UNIX/TruCluster Server,
      HP OpenVMS
      HP-UX VVOS (11.04)

    The SSRT thanks LSD Research Group (http://lsd-pl.net) for
    reporting this potential vulnerability to HP.

 B. Recommended solution
    The following temporary depot files MUST be removed before
    the official patch is installed. Failure to properly remove
    these could cause corruption of the system and inadvertently
    re-introduce the problem at a later time when the temporary
    patch is removed.

    The temporary files to be removed were:
          for HP-UX 11.00 PHCO_29106.depot
          for HP-UX 11.11 UNOF_29107.depot

    Now apply the appropriate patch:
               PHCO_29382 for B.11.11
               PHCO_29381 for B.11.00

    Download the patch from itrc.hp.com, copy the depot to a
    protected directory, and launch Software Distributor (SD)
    to install.

    On systems running the discontinued and obsoleted B.10.20
    continue to use the temporary depot: PHCO_29105.depot.

 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.

    NOTE: Using your itrc account security bulletins can be
          found here:
  <http://itrc.hp.com/cki/bin/doc.pl/screen=ckiSecurityBulletin>

    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. Please note that installing the patches
    listed in the Security Patch Matrix will completely
    implement a security bulletin _only_ if the MANUAL ACTIONS
    field specifies "No."

    The Security Patch Check tool can verify that a security
    bulletin has been implemented on HP-UX 11.XX systems providing
    that the fix is completely implemented in a patch with no
    manual actions required. The Security Patch Check tool cannot
    verify fixes implemented via a product upgrade.

    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".

    The PGP key used to sign this bulletin is available from
    several PGP Public Key servers. The key identification
    information is:

       2D2A7D59
       HP Security Response Team (Security Bulletin signing only)
       security-alert@hp.com
       Fingerprint =
         6002 6019 BFC1 BC62 F079 862E E01F 3AFC 2D2A 7D59

    If you have problems locating the key please write to
    security-alert@hp.com. Please note that this key is
    for signing bulletins only and is not the key returned
    by sending 'get key' to security-alert@hp.com.

 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.

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(c)Copyright 2003 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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--
Yours truly,
HP S/W Security Team
WTEC Cupertino, California
Return-Path: secure@cup.hp.com
Reply-to: security-alert@hp.com


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