HP-UX Mozilla Remote Unauthorized Execution of Privileged Code or Denial of Service (DoS)

Risk: Medium
Local: No
Remote: Yes
CWE: CWE-Other

CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 HP SECURITY BULLETIN HPSBUX01231 REVISION: 1 SSRT051041 rev.1 - HP-UX Mozilla Remote Unauthorized Execution of Privileged Code or Denial of Service (DoS) NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. INITIAL RELEASE: 12 October 2005 POTENTIAL SECURITY IMPACT: Remote execution of privileged code or 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 Mozilla, where the vulnerability could be exploited to allow a remote, unauthorized user to execute privileged code or to create a Denial of Service (DoS). REFERENCES: CAN-2005-2871, MSFA 2005-57 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP-UX B.11.00, B.11.11, B.11.22, B.11.23 running Mozilla 1.7.11 and previous. BACKGROUND: A potential vulnerability has been identified in the Mozilla International Domain Name (IDN) support: CAN-2005-2871 MFSA 2005-57 IDN heap overrun using soft-hyphens 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. HP-UX B.11.00 HP-UX B.11.11 HP-UX B.11.22 HP-UX B.11.23 ============= Mozilla.MOZ-COM action: disable IDN support in Mozilla. END AFFECTED VERSIONS RESOLUTION: The vulnerability can be worked around by disabling IDN support. Work around instructions are available here: <https://addons.mozilla.org/messages/307259.html> ->Note: A preliminary version of Mozilla 1.7.12 is available for -> HP-UX B.11.00, B.11.11, B.11.22, and B.11.23 -> from the url below. This preliminary version has -> received minimal testing and is localized for English only. -> Mozilla 1.7.12 resolves MFSA 2005-57 and other -> vulnerabilities. -><ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/releases/ mozilla1.7.12/contrib/> ->The md5 sums are: ->ec67c6bb71e292fafc9499fd829f179f -> mozilla1.7.12-hppa2.0w-hp-hpux11.00.depot.gz ->c8f50c89d751bb057bf4e66c58b973e5 -> mozilla1.7.12-hppa2.0w-hp-hpux11.00.depot.gz.readme ->59e4c0e28d7006c916589debae847d15 -> mozilla1.7.12-ia64-hp-hpux11.22.depot.gz ->235b8769a6c48dfd17f73f02643fde46 -> mozilla1.7.12-ia64-hp-hpux11.22.depot.gz.readme This bulletin will be revised when additional resolution information is available. MANUAL ACTIONS: Yes - NonUpdate Disable Mozilla IDN support as described here: <https://addons.mozilla.org/messages/307259.html> BULLETIN REVISION HISTORY: Revision 0: 3 October 2005 Initial release Revision 1: 12 October 2005 Preliminary Mozilla 1.7.12 available. 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/AwUBQ0488eAfOvwtKn1ZEQL1qwCg6HhMm3bnlJMhlReanQdzY1XF8HQAoNH+ wL2hvme9qVDxc/r2ADV4G5Xs =J4x/ -----END PGP SIGNATURE-----

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