SSRT5938 rev.0 - HP-UX perl local unauthorized elevated privileges

From: Security Alert (secure_at_hpchs.cup.hp.com)
Date: 06/16/05 

Date: Thu, 16 Jun 2005 17:36:01 GMT

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HP SECURITY BULLETIN

HPSBUX01208 REVISION: 0

SSRT5938 rev.0 - HP-UX perl local unauthorized elevated privileges

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

The information in this Security Bulletin should be acted upon
as soon as possible.

INITIAL RELEASE:
15 June 2005

POTENTIAL SECURITY IMPACT:
local unauthorized elevated privileges

SOURCE:
Hewlett-Packard Company
HP Software Security Response Team

VULNERABILITY SUMMARY:
A potential security vulnerability has been identified with HP-UX
running perl where the potential vulnerability could be exploited
by a local user to gain unauthorized elevated privileges.

REFERENCES:
CAN-2005-0448

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, and B.11.23 running perl.

BACKGROUND:
CAN-2005-0448 <http://www.cve.mitre.org/cgi-bin/cvename.cgi?
name=CAN-2005-0448> reports a race condition in the rmtree
function in Perl prior to 5.8.4 which allows local users to create
arbitrary setuid binaries in the tree being deleted.

The changes made to address this issue in Perl 5.8.4 have been
incorporated into the HP-UX perl revisions cited below.

     AFFECTED VERSIONS

     Note: To determine if a system has an affected version,
           search the output of "swlist -a revision -l fileset"
           for an affected fileset. Then determine if the
           recommended patch or update is installed.

      For perl version 5.8.0 and prior
      HP-UX B.11.00
      HP-UX B.11.11
      HP-UX B.11.23
      =============
      Perl5.PERL-RUN
      action: install revision D.5.8.0.G or subsequent

      For perl 5.8.2
      HP-UX B.11.00
      HP-UX B.11.11
      =============
      Perl5.PERL-RUN,revision=D.5.8.2.A
      Perl5.PERL-RUN,revision=D.5.8.2.B
      Perl5.PERL-RUN,revision=D.5.8.2.C
      action: install revision D.5.8.2.D or subsequent

      For perl 5.8.2
      HP-UX B.11.23
      =============
      Perl5.PERL-RUN,revision=D.5.8.2.A
      Perl5.PERL-RUN,revision=D.5.8.2.B
      Perl5.PERL-RUN,revision=D.5.8.2.C
      Perl5.PERL-RUN,revision=D.5.8.2.D
      Perl5.PERL-RUN,revision=D.5.8.2.E
      action: install revision D.5.8.2.F or subsequent

      For perl 5.8.3
      HP-UX B.11.00
      HP-UX B.11.11
      HP-UX B.11.23
      =============
      Perl5.PERL-RUN,revision=D.5.8.3.A
      action: install revision D.5.8.3.B or subsequent

     END AFFECTED VERSIONS

RESOLUTION:
HP has made the following available on <http://software.hp.com/>
to resolve the issue.

PERL version 5.8.0
===================
HP-UX 11.00 PA-RISC version 5.8.0
   perl_D.5.8.0.G_HP-UX_B.11.00_32+64.depot or subsequent

HP-UX 11i v1.0 PA-RISC version 5.8.0
   perl_D.5.8.0.G_HP-UX_B.11.11_32+64.depot or subsequent

HP-UX 11i v1.0409 version 5.8.0 (IA and PA)
   perl_D.5.8.0.G_HP-UX_B.11.23_IA+PA.depot or subsequent

PERL version 5.8.2
===================
HP-UX 11.00 PA-RISC version 5.8.2
   perl_D.5.8.2.D_HP-UX_B.11.00_32+64.depot or subsequent

HP-UX 11i v1.0 PA-RISC version 5.8.2
   perl_D.5.8.2.D_HP-UX_B.11.11_32+64.depot or subsequent

HP-UX 11i v1.0409 version 5.8.2 (IA and PA)
   perl_D.5.8.2.F_HP-UX_B.11.23_IA+PA.depot or subsequent

PERL version 5.8.3
===================
HP-UX 11.00 PA-RISC version 5.8.3
   perl_D.5.8.3.B_HP-UX_B.11.00_32+64.depot or subsequent

HP-UX 11i v1.0 PA-RISC version 5.8.3
   perl_D.5.8.3.B_HP-UX_B.11.11_32+64.depot or subsequent

HP-UX 11i v1.0409 version 5.8.3 (IA and PA)
   perl_D.5.8.3.B_HP-UX_B.11.23_IA+PA.depot or subsequent
MANUAL ACTIONS: Yes - Update
Updated versions of perl are available on
<http://software.hp.com>.

BULLETIN REVISION HISTORY:
Revision 0: 15 June 2005
  Initial release

HP-UX SPECIFIC SECURITY BULLETINS*: Security Patch Check revision
B.02.00 analyzes all HP-issued Security Bulletins to provide a
subset of recommended actions that potentially affect a specific
HP-UX system.

For more information:
http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
displayProductInfo.pl?productNumber=B6834AA

SUPPORT: For further information, contact normal HP Services
support channel.

REPORT: To report a potential security vulnerability with any HP
supported product, send Email to: security-alert@hp.com. It is
strongly recommended that security related information being
communicated to HP be encrypted using PGP, especially exploit
information. To obtain the security-alert PGP key please send an
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* The Software Product Category that this Security Bulletin
  relates to is represented by the 5th and 6th characters of the
  Bulletin number:
    GN = HP General SW,
    MA = HP Management Agents,
    MI = Misc. 3rd party SW,
    MP = HP MPE/iX,
    NS = HP NonStop Servers,
    OV = HP OpenVMS,
    PI = HP Printing & Imaging,
    ST = HP Storage SW,
    TL = HP Trusted Linux,
    TU = HP Tru64 UNIX,
    UX = HP-UX,
    VV = HP Virtual Vault

System management and security procedures must be reviewed
frequently to maintain system integrity. HP is continually
reviewing and enhancing the security features of software products
to provide customers with current secure solutions.

"HP is broadly distributing this Security Bulletin in order to
bring to the attention of users of the affected HP products the
important security information contained in this Bulletin. HP
recommends that all users determine the applicability of this
information to their individual situations and take appropriate
action. HP does not warrant that this information is necessarily
accurate or complete for all user situations and, consequently, HP
will not be responsible for any damages resulting from user's use
or disregard of the information provided in this Bulletin. To the
extent permitted by law, HP disclaims all warranties, either
express or implied, including the warranties of merchantability
and fitness for a particular purpose, title and non-infringement."

(c)Copyright 2005 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
provided is provided "as is" without warranty of any kind. To the
extent permitted by law, neither HP nor its affiliates,
subcontractors or suppliers will be liable for incidental, special
or consequential damages including downtime cost; lost profits;
damages relating to the procurement of substitute products or
services; or damages for loss of data, or software restoration.
The information in this document is subject to change without
notice. Hewlett-Packard Company and the names of Hewlett-Packard
products referenced herein are trademarks of Hewlett-Packard
Company in the United States and other countries. Other product
and company names mentioned herein may be trademarks 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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