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[HP-UX] Schwachstelle in wall - HPSBUX0305-258


Liebe Kolleginnen und Kollegen,

soeben erreichte uns das nachfolgende Bulletin der HP SupportLine.
Wir geben diese Informationen unveraendert an Sie weiter.

Es existiert eine nicht naeher beschriebene Schwachstelle in wall,
einem Tool zum Anzeigen von Text auf den Terminals aller angemeldeter
Nutzer eines Systems. Diese koennte ein lokaler Angreifer ausnutzen,
erweiterte Privilegien auf einem Opfersystem zu erlangen (wall ist
setgid tty gesetzt).

Betroffen sind HP9000 Server/Workstations mit HP-UX 10.20, 11.00, und

(c) der deutschen Zusammenfassung bei DFN-CERT GmbH; die Verbreitung,
auch auszugsweise, ist nur unter Hinweis auf den Urheber, DFN-CERT
GmbH, und nur zu nicht kommerziellen Zwecken gestattet.

Mit freundlichen Gruessen,

	Marco Thorbruegge, DFN-CERT

- -- 
Marco Thorbruegge        |              mailto:thorbruegge@xxxxxxxxxxx
DFN-CERT GmbH            |          http://www.cert.dfn.de/team/matho/
Heidenkampsweg 41        |                    Phone: +49(40)808077-555
D-20097 Hamburg/Germany  |                      FAX: +49(40)808077-556
PGP-Key: 0xAE662425 Fingerpr.: 7E5C A77A F91D 63D1 02AB 9526 53FF F1A0 

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Digest Name:  daily HP-UX security bulletins digest
    Created:  Wed May  7 12:05:02 EDT 2003

Table of Contents:

Document ID      Title
- ---------------  -----------
HPSBUX0305-258   SSRT3483 Potential Security Vulnerability in wall(1M)

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

Document ID:  HPSBUX0305-258
Date Loaded:  20030506
      Title:  SSRT3483 Potential Security Vulnerability in wall(1M)

Hash: SHA1

 Originally issued: 06 May 2003
 SSRT3483 Potential Security Vulnerability in wall(1M) command

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: wall(1M) contains a locally exploitable vulnerability.

IMPACT:  Potential privilege increase or Denial of Service (DoS).

PLATFORM: All HP9000 servers/workstations running HP-UX releases
          10.20, 11.00, and 11.11.

SOLUTION: Apply the appropriate patch for HP-UX releases:
          PHCO_28717         for 10.20,
          PHCO_28718         for 11.00,
          PHCO_28719         for 11.11.


AVAILABILITY:  All patches are available now on <itrc.hp.com>.
 A. Background
    The wall(1M) command which is sgid, contains a vulnerability
    which potentially could be locally used to increase privilege
    or gain unauthorized access.

    NOTE: This problem does not impact HP NonStop Servers,
          HP OpenVMS, HP Tru64 UNIX/Trucluster Servers.

 B. Recommended solution
    Retrieve and install the appropriate patch for the systems in
    question from <itrc.hp.com>.

              PHCO_28717         for 10.20,
              PHCO_28718         for 11.00,
              PHCO_28719         for 11.11.

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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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- -----End of Document ID:  HPSBUX0305-258--------------------------------------

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