(HP Issues Fix for HP-UX) Apache .htaccess File Integer Overflow Lets Local Users Execute Arbitrary Code
SecurityTracker Alert ID: 1026959|
SecurityTracker URL: http://securitytracker.com/id/1026959
(Links to External Site)
Date: Apr 20 2012
Execution of arbitrary code via local system, User access via local system|
Fix Available: Yes Vendor Confirmed: Yes Exploit Included: Yes |
Version(s): prior to 2.2.22|
A vulnerability was reported in Apache. A local user can obtain elevated privileges on the target system.|
A local user can create a specially crafted .htaccess file to trigger an integer overflow in ap_pregsub() and execute arbitrary code on the target system with the privileges of the target web service.
A demonstration exploit is available at:
The original advisory is available at:
halfdog reported this vulnerability.
A local user can obtain elevated privileges on the target system.|
HP has issued a fix for HP-UX.|
The HP advisory is available at:
Vendor URL: httpd.apache.org/ (Links to External Site)
|Underlying OS: UNIX (HP/UX)|
|Underlying OS Comments: 11.11, 11.23, and 11.31|
This archive entry is a follow-up to the message listed below.|
Source Message Contents
Subject: [security bulletin] HPSBUX02761 SSRT100823 rev.1 - HP-UX Running Apache, Remote Denial of Service (DoS), Local Increase of Privilege|
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c03278391
HPSBUX02761 SSRT100823 rev.1 - HP-UX Running Apache, Remote Denial of Service (DoS), Local Increase of Privilege
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.
Release Date: 2012-04-18
Last Updated: 2012-04-18
Potential Security Impact: Remote Denial of Service (DoS), local increase of privilege
Source: Hewlett-Packard Company, HP Software Security Response Team
Potential security vulnerabilities have been identified with HP-UX Running Apache. These vulnerabilities could be exploited remotely to create a Denial of Service (DoS) or to gain a local increase of privilege.
References: CVE-2011-3607, CVE-2012-0021, CVE-2012-0031, CVE-2012-0053
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.23, B.11.31 running HP-UX Apache Web Server Suite v3.22 or earlier
HP-UX B.11.11 running HP-UX Apache Web Server Suite v2.34 or earlier
CVSS 2.0 Base Metrics
Reference Base Vector Base Score
CVE-2011-3607 (AV:L/AC:M/Au:N/C:P/I:P/A:P) 4.4
CVE-2012-0021 (AV:N/AC:H/Au:N/C:N/I:N/A:P) 2.6
CVE-2012-0031 (AV:L/AC:L/Au:N/C:P/I:P/A:P) 4.6
CVE-2012-0053 (AV:N/AC:M/Au:N/C:P/I:N/A:N) 4.3
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002
HP has provided the following software updates to resolve the vulnerability.
The update for B.11.11 is available for download from https://h20392.www2.hp.com/portal/swdepot/try.do?productNumber=HPUXWSATW235
The update for B.11.23 and B.11.31 is available for download from https://h20392.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=HPUXWSATW323
Web Server Suite Version
Apache Depot Name
HP-UX Web Server Suite v.3.23
HP-UX B.11.23 HPUXWS22ATW-B323-64.depot
HP-UX B.11.23 HPUXWS22ATW-B323-32.depot
HP-UX B.11.31 HPUXWS22ATW-B323-64.depot
HP-UX B.11.31 HPUXWS22ATW-B323-32.depot
HP-UX Web Server Suite v.2.35
HP-UX B.11.11 HP-UX_11.11_HPUXWSATW-B235-1111.depot
MANUAL ACTIONS: Yes - Update
Install HP-UX Web Server Suite v3.23 or subsequent
Install HP-UX Web Server Suite v2.35 or subsequent
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 HP 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 text is for use by the HP-UX Software Assistant.
action: install revision B.126.96.36.199 or subsequent
action: install revision B.2.0.64.03 or subsequent
END AFFECTED VERSIONS
Version:1 (rev.1) - 18 April 2012 Initial release
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 issues about implementing the recommendations of this Security Bulletin, contact normal HP Services support channel. For other issues about the content of this Security Bulletin, send e-mail to firstname.lastname@example.org.
Report: To report a potential security vulnerability with any HP supported product, send Email to: email@example.com
Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via Email: http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins
Security Bulletin List: A list of HP Security Bulletins, updated periodically, is contained in HP Security Notice HPSN-2011-001: https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c02964430
Security Bulletin Archive: A list of recently released Security Bulletins is available here: http://h20566.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/
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 = HP General Software
HF = HP Hardware and Firmware
MP = MPE/iX
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PI = Printing and Imaging
PV = ProCurve
ST = Storage Software
TU = Tru64 UNIX
UX = HP-UX
Copyright 2012 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 or 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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