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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Red Hat Issues Fix) Mozilla Firefox Integer/Buffer Overflows, Spoofing Bugs, and Access Control Errors Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1014956
SecurityTracker URL:  http://securitytracker.com/id/1014956
CVE Reference:   CVE-2005-2701, CVE-2005-2702, CVE-2005-2703, CVE-2005-2704, CVE-2005-2705, CVE-2005-2706, CVE-2005-2707   (Links to External Site)
Date:  Sep 22 2005
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0.6 and prior versions
Description:   Several vulnerabilities were reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted XBM image file, that when loaded by the target user, will trigger a buffer overflow and execute arbitrary code [CVE-2005-2701]. The code will run with the privileges of the target user.

A remote user can create HTML containing specially crafted "zero-width non-joiner" Unicode sequences that, when loaded by the target user, will cause the target user's browser to crash or potentially execute arbitrary code [CVE-2005-2702].

The browser contains a flaw in making XMLHttp requests. A remote user can create specially crafted HTML that, when loaded by the target user, will spoof XMLHttpRequest headers and may be able to exploit other vulnerabilities on the target user's system or may be able to generate XMLHttp requests to other hosts [CVE-2005-2703].

A remote user can create specially crafted HTML that spoof XML objects to create an XBL binding to execute arbitrary JavaScript with elevated (chrome) permissions [CVE-2005-2704].

The JavaScript engine contains an integer overflow [CVE-2005-2705]. A remote user may be able to create HTML that, when loaded by the target user, will trigger the overflow and execute arbitrary code on the target user's system.

A remote user can create HTML that will open an 'about:' page and execute arbitrary JavaScript with elevated (chrome) privileges [CVE-2005-2706].

A remote user can create HTML that will open a new window without any user interface
components (e.g., address bar, status bar) and potentially spoof various display elements [CVE-2005-2707].

Impact:   A remote user can cause arbitrary code to be executed on the target user's system with the privileges of the target user.

A remote user can cause the target user's browser to crash.

Solution:   Red Hat has released a fix.

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/firefox-1.0.7-1.4.1.src.rpm
b94b77b06cbb9a21eef92abc886b13ff firefox-1.0.7-1.4.1.src.rpm

i386:
a8421837182e4ef34df5957de617ce72 firefox-1.0.7-1.4.1.i386.rpm

ia64:
278ea87e1c4988a37317c720e962b48c firefox-1.0.7-1.4.1.ia64.rpm

ppc:
2ec5c55552e66596fd316f70b1f53167 firefox-1.0.7-1.4.1.ppc.rpm

s390:
7a1668a6316e7c6dff35c7bc5e26bdc1 firefox-1.0.7-1.4.1.s390.rpm

s390x:
479aba05e955742bab19dc510c3eae84 firefox-1.0.7-1.4.1.s390x.rpm

x86_64:
d3cb63f6cd8593497a926414c874960e firefox-1.0.7-1.4.1.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/firefox-1.0.7-1.4.1.src.rpm
b94b77b06cbb9a21eef92abc886b13ff firefox-1.0.7-1.4.1.src.rpm

i386:
a8421837182e4ef34df5957de617ce72 firefox-1.0.7-1.4.1.i386.rpm

x86_64:
d3cb63f6cd8593497a926414c874960e firefox-1.0.7-1.4.1.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/firefox-1.0.7-1.4.1.src.rpm
b94b77b06cbb9a21eef92abc886b13ff firefox-1.0.7-1.4.1.src.rpm

i386:
a8421837182e4ef34df5957de617ce72 firefox-1.0.7-1.4.1.i386.rpm

ia64:
278ea87e1c4988a37317c720e962b48c firefox-1.0.7-1.4.1.ia64.rpm

x86_64:
d3cb63f6cd8593497a926414c874960e firefox-1.0.7-1.4.1.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/firefox-1.0.7-1.4.1.src.rpm
b94b77b06cbb9a21eef92abc886b13ff firefox-1.0.7-1.4.1.src.rpm

i386:
a8421837182e4ef34df5957de617ce72 firefox-1.0.7-1.4.1.i386.rpm

ia64:
278ea87e1c4988a37317c720e962b48c firefox-1.0.7-1.4.1.ia64.rpm

x86_64:
d3cb63f6cd8593497a926414c874960e firefox-1.0.7-1.4.1.x86_64.rpm

Vendor URL:  www.mozilla.org/products/firefox/ (Links to External Site)
Cause:   Access control error, Boundary error, Input validation error, State error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  4

Message History:   This archive entry is a follow-up to the message listed below.
Sep 22 2005 Mozilla Firefox Integer/Buffer Overflows, Spoofing Bugs, and Access Control Errors Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2005:785-01] Critical: firefox security update


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

- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2005:785-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2005-785.html
Issue date:        2005-09-22
Updated on:        2005-09-22
Product:           Red Hat Enterprise Linux
CVE Names:         CAN-2005-2701 CAN-2005-2702 CAN-2005-2703 CAN-2005-2704 CAN-2005-2705 CAN-2005-2706 CAN-2005-2707 CAN-2005-2968
- ---------------------------------------------------------------------

1. Summary:

An updated firefox package that fixes several security bugs is now
available for Red Hat Enterprise Linux 4.

This update has been rated as having critical security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Problem description:

Mozilla Firefox is an open source Web browser.

A bug was found in the way Firefox processes XBM image files. If a user
views a specially crafted XBM file, it becomes possible to execute
arbitrary code as the user running Firefox. The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the name CAN-2005-2701 to
this issue.

A bug was found in the way Firefox processes certain Unicode
sequences. It may be possible to execute arbitrary code as the user running
Firefox if the user views a specially crafted Unicode sequence. (CAN-2005-2702)

A bug was found in the way Firefox makes XMLHttp requests. It is possible
that a malicious web page could leverage this flaw to exploit other proxy
or server flaws from the victim's machine. It is also possible that this
flaw could be leveraged to send XMLHttp requests to hosts other than the
originator; the default behavior of the browser is to disallow this.
(CAN-2005-2703)

A bug was found in the way Firefox implemented its XBL interface. It may be
possible for a malicious web page to create an XBL binding in such a way
that would allow arbitrary JavaScript execution with chrome permissions.
Please note that in Firefox 1.0.6 this issue is not directly exploitable
and will need to leverage other unknown exploits. (CAN-2005-2704)

An integer overflow bug was found in Firefox's JavaScript engine. Under
favorable conditions, it may be possible for a malicious web page to
execute arbitrary code as the user running Firefox. (CAN-2005-2705)

A bug was found in the way Firefox displays about: pages. It is possible
for a malicious web page to open an about: page, such as about:mozilla, in
such a way that it becomes possible to execute JavaScript with chrome
privileges. (CAN-2005-2706)

A bug was found in the way Firefox opens new windows. It is possible for a
malicious web site to construct a new window without any user interface
components, such as the address bar and the status bar. This window could
then be used to mislead the user for malicious purposes. (CAN-2005-2707)

A bug was found in the way Firefox processes URLs passed to it on the
command line. If a user passes a malformed URL to Firefox, such as clicking
on a link in an instant messaging program, it is possible to execute
arbitrary commands as the user running Firefox. (CAN-2005-2968)

Users of Firefox are advised to upgrade to this updated package that
contains Firefox version 1.0.7 and is not vulnerable to these issues.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via Red Hat Network.  To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

5. Bug IDs fixed (http://bugzilla.redhat.com/):

168527 - CAN-2005-2701 Multiple Firefox issues (CAN-2005-2702, CAN-2005-2703, CAN-2005-2704, CAN-2005-2705, CAN-2005-2706, CAN-2005-2707)
168740 - CAN-2005-2968 Firefox improper command line URL sanitization


6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/firefox-1.0.7-1.4.1.src.rpm
b94b77b06cbb9a21eef92abc886b13ff  firefox-1.0.7-1.4.1.src.rpm

i386:
a8421837182e4ef34df5957de617ce72  firefox-1.0.7-1.4.1.i386.rpm

ia64:
278ea87e1c4988a37317c720e962b48c  firefox-1.0.7-1.4.1.ia64.rpm

ppc:
2ec5c55552e66596fd316f70b1f53167  firefox-1.0.7-1.4.1.ppc.rpm

s390:
7a1668a6316e7c6dff35c7bc5e26bdc1  firefox-1.0.7-1.4.1.s390.rpm

s390x:
479aba05e955742bab19dc510c3eae84  firefox-1.0.7-1.4.1.s390x.rpm

x86_64:
d3cb63f6cd8593497a926414c874960e  firefox-1.0.7-1.4.1.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/firefox-1.0.7-1.4.1.src.rpm
b94b77b06cbb9a21eef92abc886b13ff  firefox-1.0.7-1.4.1.src.rpm

i386:
a8421837182e4ef34df5957de617ce72  firefox-1.0.7-1.4.1.i386.rpm

x86_64:
d3cb63f6cd8593497a926414c874960e  firefox-1.0.7-1.4.1.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/firefox-1.0.7-1.4.1.src.rpm
b94b77b06cbb9a21eef92abc886b13ff  firefox-1.0.7-1.4.1.src.rpm

i386:
a8421837182e4ef34df5957de617ce72  firefox-1.0.7-1.4.1.i386.rpm

ia64:
278ea87e1c4988a37317c720e962b48c  firefox-1.0.7-1.4.1.ia64.rpm

x86_64:
d3cb63f6cd8593497a926414c874960e  firefox-1.0.7-1.4.1.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/firefox-1.0.7-1.4.1.src.rpm
b94b77b06cbb9a21eef92abc886b13ff  firefox-1.0.7-1.4.1.src.rpm

i386:
a8421837182e4ef34df5957de617ce72  firefox-1.0.7-1.4.1.i386.rpm

ia64:
278ea87e1c4988a37317c720e962b48c  firefox-1.0.7-1.4.1.ia64.rpm

x86_64:
d3cb63f6cd8593497a926414c874960e  firefox-1.0.7-1.4.1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2701
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2702
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2703
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2704
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2705
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2706
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2707
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2968

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2005 Red Hat, Inc.

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