Hi folks,
"There are critical vulnerabilities in Macromedia
Flash player and
related software. Exploitation of these vulnerabilities
could allow a
remote, unauthenticated attacker to execute arbitrary
code or cause a
denial of service on a vulnerable system."
For more detailed info, please see the forwarded message
from CERT,
below.
Although I don't believe that Fedora or Fedora Legacy
provides any version
of Macromedia's Flash Player to our end users (as it's
proprietary), end
users may still decide to download and install this free
plugin ... so it
is good to know about this. I believe Flash is able to be
used both with
Firefox and Mozilla. Perhaps KDE's Konqueror also can use
Flash.
Someone who knows for sure about Konqueror, can you respond
on the list
and let us know?
One workaround one can do to not be vulnerable is to disable
Flash, at
least until a secure version can be installed. I use
Mozilla-1.7.12.
What I do to disable flash (and I rarely have it enabled ;))
is:
1) Shut down your browser and (Mozilla-based) email
program, if open.
2) Do a '$ find /usr/lib -iname 'libflash*.so'.
3) It may find the flash player (possibly named
'libflashplayer.so')
under any of these directories:
/usr/lib/mozilla/plugins/
/usr/lib/mozilla-(version)/plugins
/usr/lib/firefox-(version)/plugins
4) Wherever it finds the plugin .so (shared-object)
file, then (as
root) either delete the file, or rename it to
something your
browser will not find to load. I rename it to
'no_libflashplayer.so.txt'.
5) At this point, the flash player should be disabled,
so when you
next start Mozilla and/or Firefox you should be safe
from this
vulnerability.
I make no warrantee that the above suggestions for disabling
the flash
player will work for you. You take the above steps AT YOUR
OWN RISK!
If anyone has a better way to suggest disabling the
Macromedia Flash
player, will you please respond to this message with your
suggestion(s)?
Thanks.
For those of you already aware of this, my apologies for the
duplication.
Regards,
David Eisenstein
---------- Forwarded message ----------
From: US-CERT Technical Alerts <technical-alerts us-cert.gov>
To: technical-alertsus-cert.gov
Date: Thu, 16 Mar 2006 18:13:56 -0500
Subject: US-CERT Technical Cyber Security Alert TA06-075A --
Adobe
Macromedia Flash Products Multiple Vulnerabilities
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
National Cyber Alert System
Technical Cyber Security Alert TA06-075A
Adobe Macromedia Flash Products Contain Vulnerabilities
Original release date: March 16, 2006
Last revised: --
Source: US-CERT
Systems Affected
Microsoft Windows, Apple Mac OS X, Linux, Solaris, or
other operating
systems with any of the following Adobe Macromedia
products installed:
* Flash Player 8.0.22.0 and earlier
* Flash Professional 8
* Flash Basic
* Flash MX 2004
* Flash Debug Player 7.0.14.0 and earlier
* Flex 1.5
* Breeze Meeting Add-In 5.1 and earlier
* Adobe Macromedia Shockwave Player 10.1.0.11 and
earlier
For more complete information, refer to Adobe Security
Bulletin
APSB06-03.
Overview
There are critical vulnerabilities in Macromedia Flash
player and
related software. Exploitation of these vulnerabilities
could allow a
remote, unauthenticated attacker to execute arbitrary
code or cause a
denial of service on a vulnerable system.
I. Description
Adobe Security Bulletin APSB06-03 addresses
vulnerabilities in
Macromedia Flash Player and related software. Further
information is
available in the following US-CERT Vulnerability Note:
VU#945060 - Adobe Macromedia Flash products contain
multiple
vulnerabilities
Several vulnerabilities in Adobe Macromedia Flash
products may allow a
remote attacker to execute arbitrary code on a vulnerable
system.
(CVE-2006-0024)
Several operating systems, including Microsoft Windows
(see Microsoft
Security Advisory 916208), have vulnerable versions of
Flash installed
by default. Systems with Flash-enabled web browsers are
vulnerable. An
attacker could host a specially crafted Flash file on a
web site and
convince a user to visit the site.
II. Impact
A remote, unauthenticated attacker could execute
arbitrary code with
the privileges of the user. If the user is logged on with
administrative privileges, the attacker could take
complete control of
an affected system. An attacker may also be able to cause
a denial of
service.
III. Solution
Apply Updates
Adobe has provided the updates for these vulnerabilities
in APBS06-03.
Disable Flash
Please see Microsoft Security Advisory 916208 for
instructions on how
to disable Flash on Microsoft Windows. For other
operating systems and
web browsers, please contact the appropriate vendor.
Appendix A. References
* Macromedia - APSB06-03: Flash Player Update to
Address Security
Vulnerabilities -
<http://www.macromedia.com/devnet/security/secur
ity_zone/apsb06-03
.html>
* US-CERT Vulnerability Note VU#945060 -
<http://www.
kb.cert.org/vuls/id/945060>
* CVE-2006-0024 -
<http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE
-2006-0024>
* Microsoft Security Advisory (916208) -
<http://www.microsoft.com/technet/security/advi
sory/916208.mspx>
___________________________________________________________
_________
The most recent version of this document can be found at:
<http://www.us-cert.gov/cas/techalerts/TA06-075A.html>
___________________________________________________________
_________
Feedback can be directed to US-CERT Technical Staff.
Please send
email to <certcert.org> with "TA06-075A
Feedback VU#945060" in the
subject.
___________________________________________________________
_________
For instructions on subscribing to or unsubscribing from
this
mailing list, visit <http://ww
w.us-cert.gov/cas/signup.html>.
___________________________________________________________
_________
Produced 2006 by US-CERT, a government organization.
Terms of use:
<http://www.us-c
ert.gov/legal.html>
___________________________________________________________
_________
Revision History
Mar 16, 2006: Initial release
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