Apache Remote Unauthorized access

2005.10.07
Risk: Medium
Local: No
Remote: Yes
CWE: N/A


CVSS Base Score: 2.1/10
Impact Subscore: 2.9/10
Exploitability Subscore: 3.9/10
Exploit range: Local
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 HP SECURITY BULLETIN HPSBUX01232 REVISION: 0 SSRT051043 rev.0 - Apache Remote Unauthorized access NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. INITIAL RELEASE: 05 October 2005 POTENTIAL SECURITY IMPACT: Remote unauthorized access. SOURCE: Hewlett-Packard Company HP Software Security Response Team VULNERABILITY SUMMARY: A potential security vulnerability has been identified with Apache running on HP-UX where the vulnerability could be exploited remotely to bypass client-based certificate authentication and gain unauthorizied access to certain web pages. REFERENCES: CAN-2005-2700 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP-UX B.11.00, B.11.11, B.11.22, and B.11.23 running the hpuxwsAPACHE HP-UX Apache-based Web Server. BACKGROUND: A potential security vulnerability has been identified in Apache Web Server. The Common Vulnerabilities and Exposures project http://cve.mitre.org/ has referenced it as CAN_2005-2700. AFFECTED VERSIONS Note: To determine if a system has an affected version, search the output of "swlist -a revision -l fileset" for an affected fileset. Then determine if the recommended patch or update is installed. For IPv4: HP-UX B.11.00 HP-UX B.11.11 ============= hpuxwsAPACHE action: install revision A.2.0.54.02 or subsequent HP-UX B.11.22 ============= hpuxwsAPACHE action: migrate to B.11.23 For IPv6: HP-UX B.11.11 ============= hpuxwsAPACHE,revision=B.1.0.00.01 hpuxwsAPACHE,revision=B.1.0.07.01 hpuxwsAPACHE,revision=B.1.0.08.01 hpuxwsAPACHE,revision=B.1.0.09.01 hpuxwsAPACHE,revision=B.1.0.10.01 hpuxwsAPACHE,revision=B.2.0.48.00 hpuxwsAPACHE,revision=B.2.0.49.00 hpuxwsAPACHE,revision=B.2.0.50.00 hpuxwsAPACHE,revision=B.2.0.51.00 hpuxwsAPACHE,revision=B.2.0.52.00 hpuxwsAPACHE,revision=B.2.0.53.00 action: install revision B.2.0.54.02 or subsequent HP-UX B.11.23 ============= hpuxwsAPACHE action: install revision B.2.0.54.02 or subsequent END AFFECTED VERSIONS RESOLUTION: HP has made the following software updates available to resolve the issue: HP-UX B.11.00 - Apache revision A.2.0.54.02 or subsequent HP-UX B.11.11 (IPv4) - Apache revision A.2.0.54.02 or subsequent HP-UX B.11.11 (IPv6) - Apache revision B.2.0.54.02 or subsequent HP-UX B.11.22 - Upgrade to HP-UX B.11.23 HP-UX B.11.23 - Apache revision B.2.0.54.02 or subsequent NOTE: Support ended for HP-UX Web Server Suite for HP-UX 11i v1.6 (B.11.22) after March 31, 2004. HP-UX Web Server Suite for HP-UX 11i v1.6 (B.11.22) is no longer available or supported. Users of HP-UX Web Server Suite on HP-UX 11i v1.6 are encouraged to update to HP-UX 11i v2 (B.11.23) and install the latest HP-UX Web Server Suite for HP-UX 11i v2. Please write to security-alert (at) hp (dot) com [email concealed] for more information. Apache Update Procedure Check for Apache Installation - ----------------------------- To determine if the Apache web server from HP is installed on your system, use Software Distributor's swlist command. All three revisions of the product may co-exist on a single system. For example, the results of the command swlist -l product | grep -i apache hpuxwsAPACHE B.2.0.52.00 HP-UX Apache-based Web Server Stop Apache - ----------------------------- Before updating, make sure to stop any previous Apache binary. Otherwise, the previous binary will continue running, preventing the new one from starting, although the installation would be successful. After determining which Apache is installed, stop Apache with the following commands: for hpuxwsAPACHE: /opt/hpws/apache[32]/bin/apachectl stop Download and Install Apache - ----------------------------- - Download Apache from Software Depot: <http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do? productNumber=HPUXWSATW213> - Verify successful download by comparing the cksum with the value specified on the installation web page. - Use SD to swinstall the depot. Installation of this new revision of HP Apache over an existing HP Apache installation is supported, while installation over a non-HP Apache is NOT supported. Removing Apache Installation - ---------------------------- If you prefer to remove Apache from your system instead of installing a newer revision to resolve the security problem, use both Software Distributor's "swremove" command and also "rm -rf" the home location as specified in the rc.config.d file "HOME" variables. %ls /etc/rc.config.d | grep apache hpapache2conf hpws_apache[32]conf MANUAL ACTIONS: Yes - Update plus other actions Install the revision of the product. BULLETIN REVISION HISTORY: Revision 0 05 October 2005 Initial release HP-UX SPECIFIC SECURITY BULLETINS*: 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://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/ displayProductInfo.pl?productNumber=B6834AA 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 obtain the security-alert PGP key please send an e-mail message to security-alert (at) hp (dot) com [email concealed] with the Subject of 'get key' (no quotes). SUBSCRIBE: To initiate a subscription to receive future HP Security Bulletins via Email: http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA& langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC On the web page: ITRC security bulletins and 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 to update appropriate sections. To review previously published Security Bulletins visit: http://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: 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 2005 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. -----BEGIN PGP SIGNATURE----- Version: PGP 8.1 iQA/AwUBQ0URYeAfOvwtKn1ZEQLk+ACeLgzrWX4mMPWj3XTrY0dZehIzlBkAn32Y G50ksaU4Q5TqNn9FY8l6Wn8y =ua0h -----END PGP SIGNATURE-----


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