Message-ID: <46d6b04d.v1zuV3craed4d7Bp%thomas@suse.de>
Date: Thu, 30 Aug 2007 13:55:57 +0200
From: Thomas Biege <thomas@...e.de>
To: full-disclosure@...ts.grok.org.uk
Subject: SUSE Security Announcement: Opera
	(SUSE-SA:2007:050)


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______________________________________________________________________________

                        SUSE Security Announcement

        Package:                opera
        Announcement ID:        SUSE-SA:2007:050
        Date:                   Thu, 30 Aug 2007 12:00:00 +0000
        Affected Products:      SUSE LINUX 10.0
                                SUSE LINUX 10.1
                                openSUSE 10.2
        Vulnerability Type:     remote code execution
        Severity (1-10):        8
        SUSE Default Package:   no
        Cross-References:       CVE-2007-4367

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             Update for remotely exploitable command execution bug
           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

   The Opera web-browser allows an attacker to execute arbitrary code by
   providing an invalid pointer to a virtual function in JavaScript.
   This bug can be exploited automatically when a user visits a web-site that
   contains the attacker's JavaScript code.

2) Solution or Work-Around

   Disable JavaScript in your preferences or use another web-browser.
   Opera comes with JavaScript enabled by default.

3) Special Instructions and Notes

   none

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/opera-9.23-3.2.i586.rpm
          a52dc1ca6f2416378abb61fe91847439
   
   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/opera-9.23-2.2.i586.rpm
          26474a0300361157100fe011676580ad
   
   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/opera-9.23-1.2.i586.rpm
          eea8c81bf7cb7cc79367a25e571eaa00
   
   Power PC Platform:
   
   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/opera-9.23-3.2.ppc.rpm
          7a7f748f72b91b26d5666c5c3f82beb5
   
   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/opera-9.23-2.2.ppc.rpm
          2dc169be0dbcba07734004d597738199
   
   x86-64 Platform:
   
   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/opera-9.23-3.2.x86_64.rpm
          5084cbafecac36eb46fe58427b021f76
   
   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/opera-9.23-2.2.x86_64.rpm
          5bb56641ede4dd45ce1843bd9ad9353a
   
   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/opera-9.23-1.2.x86_64.rpm
          a10907dccb247408bf2a8ed078dff092
   
   Sources:
   
   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/opera-9.23-3.2.nosrc.rpm
          0232cf47a40c9059ab66ff3b00bc6301
   
   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/opera-9.23-2.2.nosrc.rpm
          f7a2617287059e29e9a119f7809b537e
   
   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/opera-9.23-1.2.nosrc.rpm
          106d63b92625c62981e16ef8360f3656

______________________________________________________________________________

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

   none
______________________________________________________________________________

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@...e.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@...e.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@...e.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@...nsuse.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@...nsuse.org>.

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

    =====================================================================
    SUSE's security contact is <security@...e.com> or <security@...e.de>.
    The <security@...e.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@...e.de>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@...e.de>

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