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Category:   Application (Web Browser)  >   Mozilla Browser Vendors:   Mozilla.org
(HP Issues Fix for Tru64) Mozilla Cookie Path Restrictions Can Be Bypassed By Remote Servers
SecurityTracker Alert ID:  1009986
SecurityTracker URL:  http://securitytracker.com/id/1009986
CVE Reference:   CVE-2003-0594   (Links to External Site)
Updated:  Aug 30 2004
Original Entry Date:  Apr 30 2004
Impact:   Disclosure of authentication information, Disclosure of user information


Description:   A vulnerability was reported in Mozilla in the processing of cookies. A remote user may be able to bypass the path restrictions specified by a cookie's originator. Several other browsers are also affected.

Corsaire reported that a remote user (server) can employ a combination of path traversal and encoding techniques to bypass cookie path restrictions in the target user's browser.

Malicious software on a server can obtain cookies from the target user's browser that should be restricted to a separate application path on the same server.

A demonstration exploit URL format is provided:

http://host/secure/%2e%2e/sample/insecure.cgi?xss=<golarge>

In the above example format, the 'insecure.cgi' application can obtain cookies that are ostensibly restricted to the '/secure' path.

The affected vendors were reportedly notified between July 12 and July 18, 2003.

Impact:   A remote server application can obtain cookies from the target user's browser for the same domain but regardless of the path restrictions.
Solution:   HP has issued a fix in Mozilla Application Suite for HP Tru64 UNIX V1.6, available at:

http://www.mozilla.org/releases/
http://h30097.www3.hp.com/internet/download.htm

Vendor URL:  www.mozilla.org/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  UNIX (Tru64)
Underlying OS Comments:  5.1A, 5.1B

Message History:   This archive entry is a follow-up to the message listed below.
Mar 10 2004 Mozilla Cookie Path Restrictions Can Be Bypassed By Remote Servers



 Source Message Contents

Subject:  HP Tru64 UNIX Mozilla Potential Denial of Service


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

HP SECURITY BULLETIN


HPSBTU01021     REVISION: 0

SSRT4722 rev. 0 HP Tru64 UNIX Mozilla Potential Denial of Service


  -----------------------------------------------------------------
NOTICE:
  There are no restrictions for distribution of this Bulletin
  provided that it remains complete and intact.

  The information in this Security bulletin should be acted upon
  as soon as possible.

INITIAL RELEASE:    29 April 2004



POTENTIAL SECURITY IMPACT:    denial of service (DoS) or
                               unauthorized remote access

SOURCE:    HEWLETT-PACKARD COMPANY
HP Software Security Response Team

REFERENCES:    CAN-2003-0564, CAN-2003-0594, CAN-2004-0191

VULNERABILITY SUMMARY:
Three potential security vulnerabilities have been identified in
the Mozilla Application Suite for HP Tru64 UNIX.  These potential
vulnerabilities could be remotely exploitable, resulting in denial
of service (DoS) or unauthorized access.

SUPPORTED SOFTWARE VERSIONS*:  ONLY impacted versions are listed.

Tru64 UNIX v5.1B PK3 (BL24)

Tru64 UNIX v5.1B PK2 (BL22)

Tru64 UNIX v5.1A PK6 (BL24)

BACKGROUND:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0564

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0594

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0191

RESOLUTION:
The potential vulnerabilities have been corrected in the following
Mozilla version:

Mozilla Application Suite for HP Tru64 UNIX V1.6

(The Mozilla Application Suite for HP Tru64 UNIX is
provided for use on the supported base levels of
HP Tru64 UNIX V5.1A and V5.1B.)

V1.6 web kits can be downloaded from the following sites:

The Mozilla site:
http://www.mozilla.org/releases/

The download site for HP Tru64 internet and networking software:
  http://h30097.www3.hp.com/internet/download.htm
In addition, Mozilla V1.6 will be provided on the Associated
Product CD distributed with HP Tru64 UNIX 5.1B PK4 (BL25).

Please write to security-alert@hp.com to request a PGP signed
version of this bulletin.


* The software product category that this Security Bulletin
  relates to is represented by the 5th and 6th characters of the
  Bulletin number: GN=General, MA=Management Agents, MI=Misc.
  3rd party, MP=HP-MPE/iX, NS=HP NonStop Servers, OV=HP OpenVMS,
  PI=HP Printing & Imaging, ST=HP Storage, TU=HP Tru64 UNIX,
  TL=Trusted Linux, UX=HP-UX, VV=Virtual Vault


SUPPORT: For further information, contact HP Services support
          channel.

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:
Driver and Support Alerts/Notifications Sign-up: Product Selection
Under Step1: your products
1. Select product category:
    - a minimum of servers must be selected.
2. Select product family or search:
    - a minimum of one product must be selected.
3. Add a product:
    - a minimum of one product must be added.
In Step 2: your operating system(s)
    - check ALL operating systems for which alerts are required.
Complete the form 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.

Note: In addition to the individual alerts/notifications for the
selected operating systems/products, subscribers will
automatically receive one copy of alerts for non-operating system
categories (i.e., a subscriber who signs up for all six operating
system alerts will only receive one copy of all the non-operating
system alerts).

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 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@hp.com with the Subject of
'get key' (no quotes).

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 2004 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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