HP-UX Dynamic Loader, Local Privilege Escalation,Denial of Service (DoS)

Credit: HP
Risk: Medium
Local: Yes
Remote: No

CVSS Base Score: 6.8/10
Impact Subscore: 10/10
Exploitability Subscore: 3.1/10
Exploit range: Local
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 SUPPORT COMMUNICATION - SECURITY BULLETIN Document ID: c02904002 Version: 1 HPSBUX02688 SSRT100513 rev.1 - HP-UX Dynamic Loader, Local Privilege Escalation,Denial of Service (DoS) NOTICE: The information in this Security Bulletin should be acted upon as soon aspossible. Release Date: 2011-07-05 Last Updated: 2011-07-05 ------------------------------------------------------------------------------ Potential Security Impact: Local privilege escalation, 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 dynamic loader. Thevulnerability could be exploited locally to create a privilege escalation, or aDenial of Service (DoS). References: CVE-2011-2398 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP-UX B.11.11, HP-UX B.11.23, and HP-UX B.11.31 BACKGROUND CVSS 2.0 Base Metrics =========================================================== Reference Base Vector Base Score CVE-2011-2398 (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 RESOLUTION HP has made the following patches available to resolve this issue. The patches are available from http://www.hp.com/go/HPSC OS Release / Patch ID HP-UX B.11.11 / PHSS_42253 or subsequent HP-UX B.11.23 / PHSS_42043 or subsequent HP-UX B.11.31 / PHSS_42040 or subsequent MANUAL ACTIONS: No PRODUCT SPECIFIC INFORMATION HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application thatreplaces HP-UX Security Patch Check. It analyzes all Security Bulletins issued by HP and lists recommended actions thatmay apply to a specific HP-UX system. It can also download patches and create a depotautomatically. For more information see: https://www.hp.com/go/swa The following text is for use by the HP-UX Software Assistant. AFFECTED VERSIONS HP-UX B.11.11 ============= OS-Core.C-KRN OS-Core.C-MIN OS-Core.CORE-SHLIBS OS-Core.CMDS-AUX ProgSupport.PROG-AUX ProgSupport.PROG-AX-64ALIB OS-Core.CORE-64SLIB OS-Core.C-MIN-64ALIB ProgSupport.C-INC ProgSupport.LANG-MIN OS-Core.LINKER-HELP action: install patch PHSS_42253 or subsequent HP-UX B.11.23 ============= OS-Core.C-KRN OS-Core.C-MIN OS-Core.CMDS2-AUX OS-Core.CORE2-64SLIB OS-Core.CORE2-SHLIBS ProgSupport.C2-INC ProgSupport.LANG-64ALIB ProgSupport.LANG-MIN OS-Core.CORE-SHLIBS ProgSupport.C2-INC OS-Core.CMDS2-AUX ProgSupport.PROG2-AUX ProgSupport.PROG-AX-64ALIB OS-Core.CORE-64SLIB OS-Core.LINKER-HELP OS-Core.LINKER-PAOBJ OS-Core.C-MIN-64ALIB ProgSupport.LANG-MIN action: install patch PHSS_42043 or subsequent HP-UX B.11.31 ============= OS-Core.CMDS2-AUX OS-Core.C-KRN OS-Core.C-MIN OS-Core.CMDS2-AUX OS-Core.CORE2-64SLIB OS-Core.CORE2-SHLIBS ProgSupport.C2-INC ProgSupport.LANG-64ALIB ProgSupport.LANG-MIN OS-Core.C-KRN OS-Core.CORE-SHLIBS OS-Core.CORE-64SLIB OS-Core.LINKER-HELP OS-Core.LINKER-PAOBJ OS-Core.C-MIN OS-Core.C-MIN-64ALIB ProgSupport.PROG2-AUX ProgSupport.PROG-AX-64ALIB action: install patch PHSS_42040 or subsequent END AFFECTED VERSIONS HISTORY Version:1 (rev.1) - 5 July 2011 Initial release Third Party Security Patches: Third party security patches that are to be installedon systems running HP software products should be applied in accordance with thecustomer'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@hp.com It is strongly recommended that security relatedinformation being communicated to HP be encrypted using PGP, especially exploitinformation. To get the security-alert PGP key, please send an e-mail message asfollows: To: security-alert@hp.com Subject: get key Subscribe: To initiate a subscription to receive future HP Security Bulletins viaEmail: http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC On the web page: ITRC security bulletinsand patch sign-up Under Step1: your ITRC security bulletins and patches -check ALL categories for which alerts are required and continue. Under Step2: your ITRC operating systems -verify your operating system selections are checked and save. To update an existing subscription: http://h30046.www3.hp.com/subSignIn.php Log in on the web page: Subscriber's choice for Business: sign-in. On the web page: Subscriber's Choice: your profile summary - use Edit Profile toupdate appropriate sections. 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 VirtualVault System management and security procedures must be reviewed frequently to maintainsystem integrity. HP is continually reviewing and enhancing the security features ofsoftware products to provide customers with current secure solutions. "HP is broadly distributing this Security Bulletin in order to bring to the attentionof users of the affected HP products the important security information contained inthis Bulletin. HP recommends that all users determine the applicability of thisinformation to their individual situations and take appropriate action. HP does notwarrant that this information is necessarily accurate or complete for all usersituations and, consequently, HP will not be responsible for any damages resultingfrom user's use or disregard of the information provided in this Bulletin. To theextent 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." Copyright 2011 Hewlett-Packard Development Company, L.P. Hewlett-Packard Company shall not be liable for technical or editorial errors oromissions contained herein. The information provided is provided "as is" withoutwarranty of any kind. To the extent permitted by law, neither HP or its affiliates,subcontractors or suppliers will be liable for incidental,special or consequentialdamages including downtime cost; lost profits;damages relating to the procurement ofsubstitute products or services; or damages for loss of data, or softwarerestoration. The information in this document is subject to change without notice.Hewlett-Packard Company and the names of Hewlett-Packard products referenced hereinare 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. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAk4Tk5EACgkQ4B86/C0qfVmcAwCcDWv+LwZSu2aZXM/wchWlgT8Y vYoAn0kJegwvXHva37nGWXMfs4cqScdn =lZLu -----END PGP SIGNATURE-----



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