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SUSE Security Announcement

Package: acroread Announcement ID: SUSE-SA:2007:011 Date: Mon, 22 Jan 2007 18:00:00 +0000 Affected Products: SUSE LINUX 9.3 SUSE LINUX 10.0 SUSE LINUX 10.1 openSUSE 10.2 Novell Linux Desktop 9 SUSE SLED 10 Vulnerability Type: remote code execution Severity (1-10): 8 SUSE Default Package: yes Cross-References: CVE-2006-5857, CVE-2007-0044, CVE-2007-0045 CVE-2007-0046, CVE-2007-0047, CVE-2007-0048

Content of This Advisory: 1) Security Vulnerability Resolved: acroread 7.0.9 security update 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

The Adobe Acrobat Reader has been updated to version 7.0.9.

This update also includes following security fixes:

CVE-2006-5857: A memory corruption problem was fixed in Adobe Acrobat Reader can potentially lead to code execution.

CVE-2007-0044: Universal Cross Site Request Forgery (CSRF) problems were fixed in the Acrobat Reader plugin which could be exploited by remote attackers to conduct CSRF attacks using any site that is providing PDFs.

CVE-2007-0045: Cross site scripting problems in the Acrobat Reader plugin were fixed, which could be exploited by remote attackers to conduct XSS attacks against any site that is providing PDFs.

CVE-2007-0046: A double free problem in the Acrobat Reader plugin was fixed which could be used by remote attackers to potentially execute arbitrary code. Note that all platforms using Adobe Reader currently have counter measures against such attack where it will just cause a controlled abort().

CVE-2007-0047 and CVE-2007-0048 affect only Microsoft Windows and Internet Explorer.

Please note that the Acrobat Reader on SUSE Linux Enterprise Server 9 is affected too, but can not be updated currently due to GTK+ 2.4 requirements. We are trying to find a solution.

Acrobat Reader on SUSE Linux Enterprise Server 8 and SUSE Linux Desktop 1 is no longer supported and should be deinstalled.

2) Solution or Work-Around

As a workaround, you can use the free PDF readers, kpdf, xpdf, evince, and others.

Please install the updated packages.

3) Special Instructions and Notes

Please close and restart all running instances of acroread after the update.

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 filename of the downloaded RPM package.

x86 Platform:

openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/acroread-7.0.9-2.1.i586.rpm c37b991bf98afafafe7cef049b19c432

SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/acroread-7.0.9-1.2.i586.rpm 1c2d6f4028f856b208c7a63a1a085ae2

SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/acroread-7.0.9-2.1.i586.rpm 065c5b67a4194558d70f23671f0800db

SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/acroread-7.0.9-2.1.i586.rpm da0c72bc6379fa546f581d5b73eab620

Sources:

openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/acroread-7.0.9-2.1.nosrc.rpm c29bf975f673b532189ced3754693ed0

SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/acroread-7.0.9-1.2.nosrc.rpm 6cbe0b868a4bfffa536311e933f402a2

SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/acroread-7.0.9-2.1.nosrc.rpm 668ca101366dc4e66cb4670de282b6be

SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/acroread-7.0.9-2.1.src.rpm 3e8a7e56bad5c5cba050f7c69c40d5fa

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

Novell Linux Desktop 9 http://support.novell.com/techcenter/psdb/e4aa9329743e7c8bb35f09a113da0938.h...

SUSE SLED 10 http://support.novell.com/techcenter/psdb/af82ce465dd28a7a87602e1069a0e963.h...

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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:

opensuse-security@opensuse.org - General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to opensuse-security+subscribe@opensuse.org.

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.

===================================================================== 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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