HP Security Bulletin - HP-UX Using libc, Remote Denial of Service (DoS) (HPSBUX02355)

HPSBUX02355 SSRT080023 rev.2 - HP-UX Using libc, Remote Denial of Service (DoS)

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

Release Date: 2008-08-06

Last Updated: 2009-11-02

Potential Security Impact: Remote Denial of Service (DoS)

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

VULNERABILITY SUMMARY

A potential security vulnerability has been identified in HP-UX using libc. This
vulnerability could be exploited remotely to create a Denial of Service (DoS).

References: CVE-2008-1664

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP-UX B.11.23 and B.11.31 using libc

BACKGROUND

For a PGP signed version of this security bulletin please write to:
security-alert@hp.com
CVSS2.0 Base Metrics
Reference
	
Base Vector
	
Base Score
CVE-2008-1664
	
(AV:N/AC:L/Au:S/C:N/I:P/A:C)
	
7.5

Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.

RESOLUTION
HP is providing the following software patches to resolve the vulnerability.
The patches are available from http://itrc.hp.com

HP-UX Release
	
Action
HP-UX B.11.23 (11i v2)
	
Install PHCO_38273 or subsequent
HP-UX B.11.31 (11i v3)
	
Install PHCO_38048 or subsequent


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 HP Security Bulletin issues 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://www.hp.com/go/swa
The following is for use by the HP-UX Software Assistant.

AFFECTED VERSIONS

HP-UX B.11.23
===========
OS-Core.C-MIN
OS-Core.C-MIN-64ALIB
OS-Core.CORE2-64SLIB
OS-Core.CORE2-SHLIBS
ProgSupport.PROG2-AUX
ProgSupport.PROG-AX-64ALIB
ProgSupport.PROG-MIN
action: install patch PHCO_38273 or subsequent
URL http://itrc.hp.com

HP-UX B.11.31
===========
OS-Core.CORE-64SLIB
OS-Core.CORE-SHLIBS
OS-Core.C-MIN
OS-Core.C-MIN-64ALIB
OS-Core.CORE2-64SLIB
OS-Core.CORE2-SHLIBS
ProgSupport.PROG2-AUX
ProgSupport.PROG-AX-64ALIB
ProgSupport.PROG-MIN
action: install patch PHCO_38048 or subsequent
URL http://itrc.hp.com

END AFFECTED VERSIONS

HISTORY
Version: 1 (rev.1) 6 August 2008 Initial release
Version: 2 (rev.2) 2 November 2009 Corrected filesets in Affected Versions

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 further information, contact normal HP Services support channel.


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 get the security-alert PGP key, please send an e-mail message as follows:
  To: security-alert@hp.com
  Subject: get key

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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."


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