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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:  1019117
SecurityTracker URL:  http://securitytracker.com/id/1019117
CVE Reference:   CVE-2007-4324, CVE-2007-4768, CVE-2007-5275, CVE-2007-6242, CVE-2007-6243, CVE-2007-6244, CVE-2007-6245, CVE-2007-6246   (Links to External Site)
Date:  Dec 19 2007
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.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2007-1126.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, 18 Dec 2007 18:55:53 -0500
Subject:  [RHSA-2007:1126-01] Critical: flash-plugin security update


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

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

Synopsis:          Critical: flash-plugin security update
Advisory ID:       RHSA-2007:1126-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2007-1126.html
Issue date:        2007-12-18
Updated on:        2007-12-18
Product:           Red Hat Enterprise Linux Extras
CVE Names:         CVE-2007-5275 CVE-2007-4324 CVE-2007-4768 
                   CVE-2007-6242 CVE-2007-6244 CVE-2007-6245 
                   CVE-2007-6246 
- ---------------------------------------------------------------------

1. Summary:

An updated Adobe Flash Player package that fixes a security issue is now
available for Red Hat Enterprise Linux 3 Extras, 4 Extras, and 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 4.5.z Extras - i386
Red Hat Enterprise Linux AS version 4 Extras - i386
Red Hat Desktop version 4 Extras - i386
Red Hat Enterprise Linux ES version 4.5.z 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. Problem 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 displays
certain content. It may be possible to execute arbitrary code on a victim's
machine, if the victim opens a malicious Adobe Flash file. 
(CVE-2007-4768, CVE-2007-6242, CVE-2007-6246)

A flaw was found in the way Flash Player handled the asfunction: protocol.
Malformed SWF files could perform a cross-site scripting attack.
(CVE-2007-6244)

A flaw was found in the way Flash Player modified HTTP request headers.
Malicious content could allow Flash Player to conduct a HTTP response
splitting attack. (CVE-2007-6245)

A flaw was found in the way Flash Player processes certain SWF content. A
malicious SWF file could allow a remote attacker to conduct a port scanning
attack from the client's machine. (CVE-2007-4324)

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

Users of Adobe Flash Player are advised to upgrade to this updated package,
which contains version 9.0.115.0 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. Bug IDs fixed (http://bugzilla.redhat.com/):

252292 - CVE-2007-4324 Flash movie can determine whether a TCP port is open
367501 - CVE-2007-5275 Flash plugin DNS rebinding
392911 - CVE-2007-4768: pcre before 7.3 incorrect unicode in char class optimization
412161 - CVE-2007-6242
414501 - CVE-2007-6244
414511 - CVE-2007-6245
414521 - CVE-2007-6246

6. RPMs required:

Red Hat Enterprise Linux AS version 3 Extras:

i386:
909f18bf7e3ba2bd77c486471ed0a649  flash-plugin-9.0.115.0-1.el3.with.oss.i386.rpm

Red Hat Desktop version 3 Extras:

i386:
909f18bf7e3ba2bd77c486471ed0a649  flash-plugin-9.0.115.0-1.el3.with.oss.i386.rpm

Red Hat Enterprise Linux ES version 3 Extras:

i386:
909f18bf7e3ba2bd77c486471ed0a649  flash-plugin-9.0.115.0-1.el3.with.oss.i386.rpm

Red Hat Enterprise Linux WS version 3 Extras:

i386:
909f18bf7e3ba2bd77c486471ed0a649  flash-plugin-9.0.115.0-1.el3.with.oss.i386.rpm

Red Hat Enterprise Linux AS version 4.5.z Extras:

i386:
f0824c43f26d5b33731a54734d1334f7  flash-plugin-9.0.115.0-1.el4.i386.rpm

Red Hat Enterprise Linux AS version 4 Extras:

i386:
f0824c43f26d5b33731a54734d1334f7  flash-plugin-9.0.115.0-1.el4.i386.rpm

Red Hat Desktop version 4 Extras:

i386:
f0824c43f26d5b33731a54734d1334f7  flash-plugin-9.0.115.0-1.el4.i386.rpm

Red Hat Enterprise Linux ES version 4.5.z Extras:

i386:
f0824c43f26d5b33731a54734d1334f7  flash-plugin-9.0.115.0-1.el4.i386.rpm

Red Hat Enterprise Linux ES version 4 Extras:

i386:
f0824c43f26d5b33731a54734d1334f7  flash-plugin-9.0.115.0-1.el4.i386.rpm

Red Hat Enterprise Linux WS version 4 Extras:

i386:
f0824c43f26d5b33731a54734d1334f7  flash-plugin-9.0.115.0-1.el4.i386.rpm

RHEL Desktop Supplementary (v. 5 client):

i386:
3263ab995eabfca2783ec2013e9ff901  flash-plugin-9.0.115.0-1.el5.i386.rpm

x86_64:
3263ab995eabfca2783ec2013e9ff901  flash-plugin-9.0.115.0-1.el5.i386.rpm

RHEL Supplementary (v. 5 server):

i386:
3263ab995eabfca2783ec2013e9ff901  flash-plugin-9.0.115.0-1.el5.i386.rpm

x86_64:
3263ab995eabfca2783ec2013e9ff901  flash-plugin-9.0.115.0-1.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-2007-4324
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4768
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6242
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6244
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6245
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6246
http://www.adobe.com/support/security/bulletins/apsb07-20.html
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 2007 Red Hat, Inc.
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