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HP Security Bulletin HPSBUX03359 1

HP Security Bulletin HPSBUX03359 1
Posted Jun 29, 2015
Authored by HP | Site hp.com

HP Security Bulletin HPSBUX03359 1 - A potential security vulnerability has been identified with the HP-UX pppoec utility. The vulnerability could be exploited in allowing a local user to elevate their privilege. Revision 1 of this advisory.

tags | advisory, local
systems | hpux
advisories | CVE-2015-2126
SHA-256 | 3bac40e3ac6cc630596a3687c3baac11a6f456c40c1edb26a503bcf36d021878

HP Security Bulletin HPSBUX03359 1

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Hash: SHA1

Note: the current version of the following document is available here:
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/
docDisplay?docId=emr_na-c04718530

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c04718530
Version: 1

HPSBUX03359 rev.1 - HP-UX pppoec, local elevation of privilege

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

Release Date: 2015-06-26
Last Updated: 2015-06-26

Potential Security Impact: Elevation of privilege

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with the HP-UX pppoec
utility. The vulnerability could be exploited in allowing a local user to
elevate their privilege.

References:

CVE-2015-2126

SSRT102094

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP-UX 11iv2, 11iv3

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
Reference Base Vector Base Score
CVE-2015-2126 (AV:L/AC:L/Au:S/C:C/I:C/A:C) 6.8
===========================================================
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002

RESOLUTION

HP has provided the following work around for HP-UX 11iv2 & 11iv3.

A non-root user on the HP-UX 11iv2 & 11iv3 system can exploit the "pppoec"
utility due to its access permissions.

Until the official fix for the issue is released, HP recommends the following
workaround be applied to avoid any misuse of the pppoec utility.

Make sure that the /usr/bin/pppoec is executed by root user. Unset the "s"
bit of the "pppoec" utility.

The command used to unset the "s" bit is as follows.
# /usr/bin/chmod u-s /usr/bin/pppoec

Note: On HP-UX 11iv2, /usr/bin/pppoec utility will not be available by
default. Hence take above action only if /usr/bin/pppoec file is available.

MANUAL ACTIONS: # /usr/bin/chmod u-s /usr/bin/pppoec

HISTORY
Version:1 (rev.1) - 26 June 2015 Initial release

Third Party Security Patches: Third party security patches that are to be
installed on systems running HP software products should be applied in
accordance with the customer's patch management policy.

Support: For issues about implementing the recommendations of this Security
Bulletin, contact normal HP Services support channel. For other issues about
the content of this Security Bulletin, send e-mail to security-alert@hp.com.

Report: To report a potential security vulnerability with any HP supported
product, send Email to: security-alert@hp.com

Subscribe: To initiate a subscription to receive future HP Security Bulletin
alerts via Email:
http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins

Security Bulletin Archive: A list of recently released Security Bulletins is
available here:
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/

Software Product Category: The Software Product Category is represented in
the title by the two characters following HPSB.

3C = 3COM
3P = 3rd Party Software
GN = HP General Software
HF = HP Hardware and Firmware
MP = MPE/iX
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PI = Printing and Imaging
PV = ProCurve
ST = Storage Software
TU = Tru64 UNIX
UX = HP-UX

Copyright 2015 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 or
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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