SUSE Security Announcement: Mozilla Firefox various problems
Posted on: 06/09/2005 09:08 AM

Firefox security updates are available for SUSE Linux:

______________________________________________________________________________

SUSE Security Announcement

Package: MozillaFirefox
Announcement ID: SUSE-SA:2005:030
Date: Thu, 09 Jun 2005 12:00:00 +0000
Affected Products: 9.0, 9.1, 9.2, 9.3
Novell Linux Desktop 9

Vulnerability Type: remote code execution
Severity (1-10): 8
SUSE Default Package: yes
Cross-References: MFSA 2005-44
MFSA 2005-43
MFSA 2005-42
CAN-2005-1532
CAN-2005-1531

Content of This Advisory:
1) Security Vulnerability Resolved:
various Mozilla Firefox security problems
Problem Description
2) Solution or Work-Around
3) Special Instructions and Notes
4) Package Location and Checksums
5) Pending Vulnerabilities, Solutions, and Work-Arounds:
none
6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

This update upgrades Mozilla Firefox to version 1.0.4, fixing the
following security problems:

MFSA 2005-42:
A problem in the install confirmation dialog together with a bad fix
for MFSA 2005-41 allowed a remote attacker to execute arbitrary code
with the help of a cross site scripting problem on the Mozilla website.

The Mozilla website has been fixed so this is no real problem anymore.

MFSA 2005-43/CAN-2005-1531:
By causing a frame to navigate back to a previous javascript: URL an
attacker can inject script into the forward site. This site can be
controlled by the attacker allowing them to steal cookies or sensitive
data from that page or to perform actions on behalf of that user.

MFSA 2005-44/CAN-2005-1532:
A variant of MFSA 2005-41 overrides properties on a non-DOM node and
then substitutes that object for one chrome script will access. Most
examples involved the attacker synthesizing an event targeted at a
non-DOM node, and overriding standard DOM node properties such as
type with references to eval() calls or Script() objects.

The MFSA-2005-43 and MFSA-2005-44 flaws also affect the Mozilla
Suite browsers. We are working on updates for those.

Updated packages were already released on May 20th. We wanted to
postpone the advisory until we have fixed packages for the Mozilla
Suite, but these will take some more time.


2) Solution or Work-Around

Install the updated packages.

3) Special Instructions and Notes

Please restart the Firefox web browser after installing the updates.

4) Package Location and Checksums

The preferred method for installing security updates is to use the YaST
Online Update (YOU) tool. YOU detects which updates are required and
automatically performs the necessary steps to verify and install them.
Alternatively, download the update packages for your distribution manually
and verify their integrity by the methods listed in Section 6 of this
announcement. Then install the packages using the command

rpm -Fhv <file.rpm>

to apply the update, replacing <file.rpm> with the file name of the
downloaded RPM package.

Our maintenance customers are notified individually. The packages are
offered for installation from the maintenance web.


x86 Platform:

SUSE Linux 9.3:
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/MozillaFirefox-1.0.4-1.1.i586.rpm
6d9eaaba4ac8c3ce26b6d2855c540064
ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/MozillaFirefox-translations-1.0.4-1.1.i586.rpm
2c5a8918a90873355632c6bc2a01df4d

SUSE Linux 9.2:
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/MozillaFirefox-1.0.4-1.1.i586.rpm
ae767fe1c07c1e211b87f49944f8c73c

SUSE Linux 9.1:
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/MozillaFirefox-1.0.4-0.3.i586.rpm
c2d7129c2c542ead51cd53730b670a2c
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/MozillaFirefox-1.0.4-0.3.src.rpm
bad2b3f61a29d9e02bfb8d48b0303885

SUSE Linux 9.0:
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/MozillaFirebird-1.0.4-2.i586.rpm
e7f0eb745a9780f94548078130af0337
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/MozillaFirebird-1.0.4-2.src.rpm
12f2af97b563fdc0dfebb51aba2a9797

x86-64 Platform:

SUSE Linux 9.2:
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/MozillaFirefox-1.0.4-1.1.x86_64.rpm
dd4631648bfa4671ab96a683b3ded7ef
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/MozillaFirefox-1.0.4-1.1.src.rpm
31316daa8130a32e2b7d14d0a4c7019a

SUSE Linux 9.1:
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/MozillaFirefox-1.0.4-0.3.x86_64.rpm
1af6dcde322f8fb8d1fdbf6dd0780462
source rpm(s):
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/MozillaFirefox-1.0.4-0.3.src.rpm
e1d4c3104c836e36a0bca49d358410ac

SUSE Linux 9.0:
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/MozillaFirebird-1.0.4-2.x86_64.rpm
247e4c5411e9f10c50fad8f9f6634523
source rpm(s):
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/MozillaFirebird-1.0.4-2.src.rpm
d7e393be6d9080ea0038b831ce8a1204


______________________________________________________________________________

5) Pending Vulnerabilities, Solutions, and Work-Arounds:

See SUSE Security Summary Report.
______________________________________________________________________________

6) Authenticity Verification and Additional Information

- Announcement authenticity verification:

SUSE security announcements are published via mailing lists and on Web
sites. The authenticity and integrity of a SUSE security announcement is
guaranteed by a cryptographic signature in each announcement. All SUSE
security announcements are published with a valid signature.

To verify the signature of the announcement, save it as text into a file
and run the command

gpg --verify <file>

replacing <file> with the name of the file where you saved the
announcement. The output for a valid signature looks like:

gpg: Signature made <DATE> using RSA key ID 3D25D3D9
gpg: Good signature from "SuSE Security Team <security@suse.de>"

where <DATE> is replaced by the date the document was signed.

If the security team's key is not contained in your key ring, you can
import it from the first installation CD. To import the key, use the
command

gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc

- Package authenticity verification:

SUSE update packages are available on many mirror FTP servers all over the
world. While this service is considered valuable and important to the free
and open source software community, the authenticity and the integrity of
a package needs to be verified to ensure that it has not been tampered
with.

There are two verification methods that can be used independently from
each other to prove the authenticity of a downloaded file or RPM package:

1) Using the internal gpg signatures of the rpm package
2) MD5 checksums as provided in this announcement

1) The internal rpm package signatures provide an easy way to verify the
authenticity of an RPM package. Use the command

rpm -v --checksig <file.rpm>

to verify the signature of the package, replacing <file.rpm> with the
filename of the RPM package downloaded. The package is unmodified if it
contains a valid signature from build@suse.de with the key ID 9C800ACA.

This key is automatically imported into the RPM database (on
RPMv4-based distributions) and the gpg key ring of 'root' during
installation. You can also find it on the first installation CD and at
the end of this announcement.

2) If you need an alternative means of verification, use the md5sum
command to verify the authenticity of the packages. Execute the command

md5sum <filename.rpm>

after you downloaded the file from a SUSE FTP server or its mirrors.
Then compare the resulting md5sum with the one that is listed in the
SUSE security announcement. Because the announcement containing the
checksums is cryptographically signed (by security@suse.de), the
checksums show proof of the authenticity of the package if the
signature of the announcement is valid. Note that the md5 sums
published in the SUSE Security Announcements are valid for the
respective packages only. Newer versions of these packages cannot be
verified.

- SUSE runs two security mailing lists to which any interested party may
subscribe:

suse-security@suse.com
- General Linux and SUSE security discussion.
All SUSE security announcements are sent to this list.
To subscribe, send an e-mail to
<suse-security-subscribe@suse.com>.

suse-security-announce@suse.com
- SUSE's announce-only mailing list.
Only SUSE's security announcements are sent to this list.
To subscribe, send an e-mail to
<suse-security-announce-subscribe@suse.com>.

For general information or the frequently asked questions (FAQ),
send mail to <suse-security-info@suse.com> or
<suse-security-faq@suse.com>.

====================================================================
SUSE's security contact is <security@suse.com> or <security@suse.de>.
The <security@suse.de> public key is listed below.
====================================================================
______________________________________________________________________________

The information in this advisory may be distributed or reproduced,
provided that the advisory is not modified in any way. In particular, the
clear text signature should show proof of the authenticity of the text.

SUSE Linux Products GmbH provides no warranties of any kind whatsoever
with respect to the information contained in this security advisory.

Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

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