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[security bulletin] HPSBUX03577 SSRT102172 rev.1 - HP-UX VxFS, Local Unauthorized Access to Files
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c05121749
HPSBUX03577 SSRT102172 rev.1 - HP-UX VxFS, Local Unauthorized Access to Files
NOTICE: The information in this Security Bulletin should be acted upon as
soon as possible.
Release Date: 2016-05-09
Last Updated: 2016-05-09
Potential Security Impact: Local Unauthorized Access to Files
Source: Hewlett Packard Enterprise, Product Security Response Team
A potential security vulnerability has been identified in HP-UX VxFS ACL
inheritance. The vulnerability could result in local unauthorized access to
- Default ACL entries "default:other:", "default:user:", and
"default:class:" are not inherited correctly.
- There is a risk that file access restrictions may not be effective on
inherited ACLs to restrict file or directory access by other users, for
example, by defining "default:other:---" in a parent directory.
- The defect does not impact "default:group:" entries.
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX 11iv3 VxFS 5.0, VxFS 5.0.1, VxFS 5.1SP1
- Base-VxFS-50 B.05.00.01 through B.05.00.02
- Base-VxFS-501 B.05.01.0 through B.05.01.03
- Base-VxFS-51 B.05.10.00 through B.05.10.02
Note: VxFS 4.1 on HP-UX 11iv3 and VxFS 5.0 on HP-UX 11iv2 are not affected.
CVSS 2.0 Base Metrics
Reference Base Vector Base Score
CVE-2016-2016 (AV:L/AC:L/Au:S/C:P/I:N/A:N) 1.7
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002
HPE has released the following updates to resolve the vulnerability in HP-UX
PHKL_44459 VxFS 5.0 MP1P14
PHKL_44411 VxFS 5.0.1 RP3P14
PHKL_44439 VxFS 5.1 SP1RP3P6
The updates are available for download at the following location:
Note: A valid HPE Passport account is needed to download the patches.
Please contact HPE Technical Support for assistance.
MANUAL ACTIONS: No
PRODUCT SPECIFIC INFORMATION
HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application
that replaces HP-UX Security Patch Check. It analyzes all Security Bulletins
issued by HPE and lists recommended actions that may apply to a specific
HP-UX system. It can also download patches and create a depot automatically.
For more information see: https://h20392.www2.hpe.com/portal/swdepot/displayP
The following text is for use by the HP-UX Software Assistant.
For VxFS 5.0 MP1P14
action: install patch PHKL_44459 or subsequent
For VxFS 5.0.1 RP3P14
action: install patch PHKL_44411 or subsequent
For VxFS 5.1 SP1RP3P6
action: install patch PHKL_44439 or subsequent
END AFFECTED VERSIONS
Version:1 (rev.1) - 9 May 2016 Initial release
Third Party Security Patches: Third party security patches that are to be
installed on systems running Hewlett Packard Enterprise (HPE) software
products should be applied in accordance with the customer's patch management
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Bulletin, contact normal HPE Services support channel. For other issues about
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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 = HPE General Software
HF = HPE Hardware and Firmware
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PV = ProCurve
ST = Storage Software
UX = HP-UX
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