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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.
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX 11iv2, 11iv3
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
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.
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 email@example.com.
Report: To report a potential security vulnerability with any HP supported product, send Email to: firstname.lastname@example.org
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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
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