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Category:   Application (Multimedia)  >   Adobe Flash Vendors:   Adobe Systems Incorporated
(Red Hat Issues Fix) Adobe Flash Player Bugs Let Remote Users Execute Arbitrary Code, Scan Ports, and Conduct HTTP Request Splitting and Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1019815
SecurityTracker URL:  http://securitytracker.com/id/1019815
CVE Reference:   CVE-2007-5275, CVE-2007-6243   (Links to External Site)
Date:  Apr 9 2008
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Host/resource access via network, Modification of user information, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 9.0.48.0 and prior, 8.0.35.0 and prior, and 7.0.70.0 and prior versions
Description:   Several vulnerabilities were reported in Adobe Flash Player. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can conduct cross-site scripting and request splitting attacks. A remote user can conduct port scans via the player.

A remote user can create specially crafted Flash content that, when loaded by the target user, will execute arbitrary code on the target system [CVE-2007-4768, CVE-2007-6242, CVE-2007-6246]. The code will run with the privileges of the target user. Tavis Ormandy and Will Drewry of the Google Security Team, Aaron Portnoy of TippingPoint DVLabs, and Jesse Michael and Thomas Biege of SUSE reported these vulnerabilities.

A remote user can conduct DNS rebinding attacks [CVE-2007-5275]. Dan Boneh, Adam Barth, Andrew Bortz, Collin Jackson, and Weidong Shao of Stanford University reported this vulnerability.

Some SWF files do not properly filter HTML code from user-supplied input before displaying the input [CVE-2007-6244]. A remote user can create a specially crafted content using the asfunction: protocol that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. Flash Player 7 is not affected. Rich Cannings of the Google Security Team reported this vulnerability.

The navigateToURL() function does not properly filter HTML code from user-supplied input before displaying the input [CVE-2007-6244]. Only systems with the Flash Player ActiveX Control and Internet Explorer are affected. Collin Jackson and Adam Barth of Stanford University reported this vulnerability.

A remote user can conduct privilege escalation attacks against target web servers hosting Flash content and cross-domain policy files [CVE-2007-6243]. Toshiharu Sugiyama of UBsecure, Inc. and JPCERT/CC reported this vulnerability.

A remote user can modify the HTTP headers of a request to conduct HTTP request splitting attacks [CVE-2007-6245]. Toshiharu Sugiyama of UBsecure, Inc. and JPCERT/CC reported this vulnerability.

A remote user can cause the target user's Flash Player to conduct port scans [CVE-2007-4324].
Impact:   A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.

A remote user can execute scripting code in the context of arbitrary sites.

A remote user can cause the target user's Flash Player to conduct port scans against arbitrary hosts.
Solution:   Red Hat has released a fix for CVE-2007-5275 and CVE-2007-6243.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2008-0221.html
Vendor URL:  www.adobe.com/support/security/bulletins/apsb07-20.html (Links to External Site)
Cause:   Access control error, Boundary error, Input validation error
Underlying OS:   Linux (Red Hat Enterprise)

Message History:   This archive entry is a follow-up to the message listed below.
Dec 19 2007 Adobe Flash Player Bugs Let Remote Users Execute Arbitrary Code, Scan Ports, and Conduct HTTP Request Splitting and Cross-Site Scripting Attacks


 Source Message Contents
Date:  Tue, 8 Apr 2008 19:49:08 -0400
Subject:  [RHSA-2008:0221-01] Critical: flash-plugin security update


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

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Critical: flash-plugin security update
Advisory ID:       RHSA-2008:0221-01
Product:           Red Hat Enterprise Linux Extras
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2008-0221.html
Issue date:        2008-04-08
CVE Names:         CVE-2007-5275 CVE-2007-6243 CVE-2007-6637 
                   CVE-2007-6019 CVE-2007-0071 CVE-2008-1655 
                   CVE-2008-1654 
=====================================================================

1. Summary:

An updated Adobe Flash Player package that fixes several security issues is
now available for Red Hat Enterprise Linux 3 Extras, Red Hat Enterprise
Linux 4 Extras, and Red Hat Enterprise Linux 5 Supplementary.

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 3 Extras - i386
Red Hat Desktop version 3 Extras - i386
Red Hat Enterprise Linux ES version 3 Extras - i386
Red Hat Enterprise Linux WS version 3 Extras - i386
Red Hat Enterprise Linux AS version 4 Extras - i386
Red Hat Desktop version 4 Extras - i386
Red Hat Enterprise Linux ES version 4 Extras - i386
Red Hat Enterprise Linux WS version 4 Extras - i386
RHEL Desktop Supplementary (v. 5 client) - i386, x86_64
RHEL Supplementary (v. 5 server) - i386, x86_64

3. Description:

The flash-plugin package contains a Firefox-compatible Adobe Flash Player
Web browser plug-in.

Several input validation flaws were found in the way Flash Player displayed
certain content. These may have made it possible to execute arbitrary code
on a victim's machine, if the victim opened a malicious Adobe Flash file.
(CVE-2007-0071, CVE-2007-6019)

A flaw was found in the way Flash Player established TCP sessions to remote
hosts. A remote attacker could, consequently, use Flash Player to conduct a
DNS rebinding attack. (CVE-2007-5275, CVE-2008-1655)

A flaw was found in the way Flash Player restricted the interpretation and
usage of cross-domain policy files. A remote attacker could use Flash
Player to conduct cross-domain and cross-site scripting attacks.
(CVE-2007-6243, CVE-2008-1654)

A flaw was found in the way Flash Player interacted with web browsers. An
attacker could use malicious content presented by Flash Player to conduct a
cross-site scripting attack. (CVE-2007-6637)

All users of Adobe Flash Player should upgrade to this updated package,
which contains Flash Player version 9.0.124.0 and resolves these issues.

4. Solution:

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

This update is available via Red Hat Network.  Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

5. Bugs fixed (http://bugzilla.redhat.com/):

367501 - CVE-2007-5275 Flash plugin DNS rebinding
440664 - CVE-2007-6243 Flash Player cross-domain and cross-site scripting flaws
440666 - CVE-2007-6637 Flash Player content injection flaw

6. Package List:

Red Hat Enterprise Linux AS version 3 Extras:

i386:
flash-plugin-9.0.124.0-1.el3.with.oss.i386.rpm

Red Hat Desktop version 3 Extras:

i386:
flash-plugin-9.0.124.0-1.el3.with.oss.i386.rpm

Red Hat Enterprise Linux ES version 3 Extras:

i386:
flash-plugin-9.0.124.0-1.el3.with.oss.i386.rpm

Red Hat Enterprise Linux WS version 3 Extras:

i386:
flash-plugin-9.0.124.0-1.el3.with.oss.i386.rpm

Red Hat Enterprise Linux AS version 4 Extras:

i386:
flash-plugin-9.0.124.0-1.el4.i386.rpm

Red Hat Desktop version 4 Extras:

i386:
flash-plugin-9.0.124.0-1.el4.i386.rpm

Red Hat Enterprise Linux ES version 4 Extras:

i386:
flash-plugin-9.0.124.0-1.el4.i386.rpm

Red Hat Enterprise Linux WS version 4 Extras:

i386:
flash-plugin-9.0.124.0-1.el4.i386.rpm

RHEL Desktop Supplementary (v. 5 client):

i386:
flash-plugin-9.0.124.0-1.el5.i386.rpm

x86_64:
flash-plugin-9.0.124.0-1.el5.i386.rpm

RHEL Supplementary (v. 5 server):

i386:
flash-plugin-9.0.124.0-1.el5.i386.rpm

x86_64:
flash-plugin-9.0.124.0-1.el5.i386.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=CVE-2007-5275
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6243
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6637
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6019
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0071
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1655
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1654
http://www.redhat.com/security/updates/classification/#critical

8. Contact:

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

Copyright 2008 Red Hat, Inc.
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