The vulnerable system is not bound to the network stack and the attacker’s path is via read/write/execute capabilities. Either: the attacker exploits the vulnerability by accessing the target system locally (e.g., keyboard, console), or through terminal emulation (e.g., SSH); or the attacker relies on User Interaction by another person to perform actions required to exploit the vulnerability (e.g., using social engineering techniques to trick a legitimate user into opening a malicious document).
Attack Complexity
High
AC
The successful attack depends on the evasion or circumvention of security-enhancing techniques in place that would otherwise hinder the attack. These include: Evasion of exploit mitigation techniques. The attacker must have additional methods available to bypass security measures in place. For example, circumvention of address space randomization (ASLR) or data execution prevention must be performed for the attack to be successful. Obtaining target-specific secrets. The attacker must gather some target-specific secret before the attack can be successful. A secret is any piece of information that cannot be obtained through any amount of reconnaissance. To obtain the secret the attacker must perform additional attacks or break otherwise secure measures (e.g. knowledge of a secret key may be needed to break a crypto channel). This operation must be performed for each attacked target.
Privileges Required
High
PR
The attacker requires privileges that provide significant (e.g., administrative) control over the vulnerable system allowing full access to the vulnerable system’s settings and files.
User Interaction
None
UI
The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
Scope
Unchanged
S
An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality
High
C
There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data.
Integrity
High
I
There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system.
Availability
High
A
There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c00657001
Version: 1
HPSBUX02115 SSRT061077 rev.1 - HP-UX running Support Tools Manager (xstm, cstm, stm)
Local Denial of Service (DoS)
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.
Release Date: 2006-06-14
Last Updated: 2006-06-14
Potential Security Impact: Local Denial of Service (DoS)
Source: Hewlett-Packard Company, HP Software Security Response Team
VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX running
Support Tools Manager (xstm, cstm, stm). The vulnerability could be exploited
by a local user to create a Denial of Service (DoS).
References: none
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23
BACKGROUND
Hewlett-Packard Company has become aware of a potential vulnerability in the
Support Tool Manager (STM) application, typically used for hardware diagnostic purposes.
To determine if an HP-UX system has an affected version, search the output of
"swlist -a revision -l fileset" for one of the filesets listed below. For affected systems
verify that the recommended action has been taken.
AFFECTED VERSIONS
HP-UX B.11.11
==========
Sup-Tool-Mgr.STM-UUT-RUN
Sup-Tool-Mgr.STM-CATALOGS
Sup-Tool-Mgr.STM-SHLIBS
action: install PHSS_34288 or subsequent
HP-UX B.11.23
==========
Sup-Tool-Mgr.STM-UUT-RUN
Sup-Tool-Mgr.STM-SHLIBS
action: install revision B.11.23.07.04 or subsequent
URL: http://software.hp.com/portal/swdepot/displayProductInfo.do?productNumbe
r=B6191AAE
END AFFECTED VERSIONS
RESOLUTION
HP is providing the following HP-UX patch and update to resolve this potential vulnerability.
B.11.11 PHSS_34288
The patch can be retrieved from:
http://itrc.hp.com
B.11.23 Revision B.11.23.07.04 STM version: C.53.00
The update can be retrieved from:
http://software.hp.com/portal/swdepot/displayProductInfo.do?productNumbe
r=B6191AAE
MANUAL ACTIONS: Yes - Update
HP-UX B.11.11 no manual actions
HP-UX B.11.23 update to B.11.23.07.04, STM version: C.53.00 or subsequent
PRODUCT SPECIFIC INFORMATION
HP-UX Security Patch Check: Security Patch Check revision B.02.00 analyzes all HP-issued
Security Bulletins to provide a subset of recommended actions that potentially affect a
specific HP-UX system. For more information:
http://software.hp.com/portal/swdepot/displayProductInfo.do? productNumber=B6834AA
HISTORY:
Version: 1 (rev.1) 14 June 2006 Initial release
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 (at) hp (dot) com. [email concealed] 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 (at) hp (dot) com [email concealed]
Subject: get key
Subscribe: To initiate a subscription to receive future HP
Security Bulletins via Email:
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On the web page: ITRC security bulletins and patch sign-up
Under Step1: your ITRC security bulletins and patches
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To review previously published Security Bulletins visit:
http://www.itrc.hp.com/service/cki/secBullArchive.do
* 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
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 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
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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