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______________________________________________________________________________
SUSE Security Announcement
Package: acroread 5
Announcement ID: SUSE-SA:2005:042
Date: Thu, 14 Jul 2005 15:00:00 +0000
Affected Products: 9.0, 9.1, 9.2
SUSE Linux Desktop 1
SUSE Linux Enterprise Server 8, 9
Novell Linux Desktop 9
Open Enterprise Server 9
Vulnerability Type: remote code execution
Severity (1-10): 8
SUSE Default Package: yes
Cross-References: CAN-2005-1625
Content of This Advisory:
1) Security Vulnerability Resolved:
Buffer overflow in Acrobat Reader 5
Problem Description
2) Solution or Work-Around
3) Special Instructions and Notes
4) Package Location and Checksums
5) Pending Vulnerabilities, Solutions, and Work-Arounds:
See SUSE Security Summary Report.
6) Authenticity Verification and Additional Information
______________________________________________________________________________
1) Problem Description and Brief Discussion
This update fixes a buffer overflow in Acrobat Reader versions 5,
where an attacker could execute code by providing a handcrafted PDF
to the viewer.
The Acrobat Reader 5 versions of SUSE Linux 9.0 up to 9.2, SUSE
Linux Enterprise Server 9 and Novell Linux Desktop 9 were upgraded
to Acrobat Reader 7.
Unfortunately this version upgrade introduces new dependencies. Please
use the YaST module "Install or Remove Software" to check if there
are new dependencies and install the required packages.
Since Adobe does no longer provide updated packages that work on SUSE
Linux Enterprise Server 8, United Linux 1, and SUSE Linux Desktop 1
we are unable to provide fixed packages for these products.
The SUSE Security Team strongly advises to deinstall the acroread
package on these platforms and use alternate PDF viewers like xpdf,
kpdf, gpdf or gv.
Since this attack could be done via E-Mail messages or web pages,
this should be considered to be remote exploitable.
This issue is tracked by the Mitre CVE ID CAN-2005-1625.
2) Solution or Work-Around
Install the upgraded packages.
3) Special Instructions and Notes
On SUSE Linux Enterprise Server 8 and SUSE Linux Desktop 1, deinstall
the acroread package using:
rpm -e acroread
On all other platforms, start the YaST "Install and Remove Software" dialog
and solve potential conflicts that are the results of this version upgrade.
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
to apply the update, replacing with the filename 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/acroread-7.0.0-4.4.i586.rpm
1adefcf655eda81fd6df960e19957935
SUSE Linux 9.2:
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/acroread-7.0.0-7.1.i586.rpm
d8acc30fd018f79add163efca641ed56
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/compat-curl2-32bit-9.2-200507121531.x86_64.rpm
9f29b592c1ff6b30f31fd1e1d99e4a6c
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/glibc-locale-32bit-9.2-200507121531.x86_64.rpm
98535e2474fb009c2de160b22ec269b7
SUSE Linux 9.1:
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/acroread-7.0.0-5.4.i586.rpm
499c9ec2b868240e0642164ff449a67c
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/acroread-7.0.0-5.4.src.rpm
ec0733e544a324ca37f5a7a92ed75e14
SUSE Linux 9.0:
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/acroread-7.0.0-9.i586.rpm
0ac3ed2c776fbe02b26315078c80bb6e
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/acroread-7.0.0-9.src.rpm
2a2c275b272ee60c9e8b08e072f9cb36
______________________________________________________________________________
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 "
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
to verify the signature of the package, replacing 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
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-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
.
For general information or the frequently asked questions (FAQ),
send mail to or
.
=====================================================================
SUSE's security contact is or .
The 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
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key
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