[security bulletin] HPSBTU02168 SSRT061237 rev.1 - HP Tru64 UNIX Running gzip, gunzip, and gzcat, Remote Unauthorized Arbitrary Code Execution or Denial of Service (DoS)
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c00797077
Version: 1
HPSBTU02168 SSRT061237 rev.1 - HP Tru64 UNIX Running gzip, gunzip, and gzcat,
Remote Unauthorized Arbitrary Code Execution or Denial of Service (DoS)
NOTICE: The information in this Security Bulletin should be acted upon as soon
as possible.
Release Date: 2006-10-26
Last Updated: 2006-10-26
Potential Security Impact: Remote unauthorized arbitrary code execution or
Denial of Service (DoS)
Source: Hewlett-Packard Company, HP Software Security Response Team
VULNERABILITY SUMMARY
Potential security vulnerabilities have been identified in the gzip, gunzip,
and gzcat programs running on the HP Tru64 UNIX Operating System. The
vulnerabilities could be exploited by a remote, unauthorized user to execute
arbitrary code or cause a Denial of Service (DoS).
References: CVE-2006-4334, CVE-2006-4335, CVE-2006-4336, CVE-2006-4337,
CVE-2006-4338, CERT VU#933712, VU#381508, VU#554780, VU#773548, VU#596848
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
The following supported software versions are affected:
* HP Tru64 UNIX 5.1B-3 running gzip, gunzip and gzcat
* HP Tru64 UNIX 5.1B-2/PK4 running gzip, gunzip and gzcat
* HP Tru64 UNIX 5.1A PK6 running gzip, gunzip and gzcat
* HP Tru64 UNIX 4.0G PK4 running gzip and gunzip
* HP Tru64 UNIX 4.0F PK8 running gzip and gunzip
BACKGROUND
The gzip utilities included with HP Tru64 Unix 4.0G and 4.0F did not provide
the gzcat command.
RESOLUTION
HP has released the following Early Release Patch kits (ERPs) publicly for use
by any customer. The ERP kits use dupatch to install and will not install over
any Customer Specific Patches (CSPs) that have file intersections with the ERP.
The ERP kits distribute the following files:
* /usr/bin/gzip
* /usr/bin/gunzip
* /usr/bin/gzcat (HP Tru64 Unix 5.1A and 5.1B only)
HP Tru64 UNIX Version 5.1B-3 ERP Kit
Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000947-V51BB26-ES-20061011
Name:T64KIT1000947-V51BB26-ES-20061011.tar
MD5 Checksum: 2fc26d4d30da326fde68525681f33545
HP Tru64 UNIX Version 5.1B-2/PK4 ERP Kit
Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000948-V51BB25-ES-20061011
Name: T64KIT1000948-V51BB25-ES-20061011.tar
MD5 Checksum: 9b43e88360d19810ba7bf90b48561a8a
HP Tru64 UNIX Version 5.1A PK6 ERP Kit
Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000949-V51AB24-ES-20061011
Name: T64KIT1000949-V51AB24-ES-20061011.tar
MD5 Checksum: 93e6893b5e05d6f5429e757eb84071ad
HP Tru64 UNIX Version 4.0G PK4 ERP Kit
Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1000950-V40GB22-ES-20061011
Name: T64KIT1000950-V40GB22-ES-20061011.tar
MD5 Checksum: 7d72d0b7367c7cb1d0bd25ffb5b5a908
HP Tru64 UNIX Version 4.0F PK8 ERP Kit
Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=DUXKIT1000951-V40FB22-ES-20061011
Name: DUXKIT1000951-V40FB22-ES-20061011.tar
MD5 Checksum: 9ef43444f4f82f563f3e2f476ef3eef1
PRODUCT SPECIFIC INFORMATION
HISTORY
Version:1 (rev.1) - 26 October 2006 Initial release
Third Party Security Patches: Third party security patches which 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.
Report: To report a potential security vulnerability with any HP
supported product, send Email to: security-alert@xxxxxxx It is
strongly recommended that security related information being
communicated to HP be encrypted using PGP, especially exploit
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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 in the title:
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."
(c)Copyright 2006 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or
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extent permitted by law, neither HP nor 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
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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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