SUSE Security Announcement: mozilla (SUSE-SA:2004:036)

From: Sebastian Krahmer (krahmer_at_suse.de)
Date: 10/06/04

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    Date: Wed, 06 Oct 2004 15:15:55 +0200
    To: bugtraq@securityfocus.com
    
    

    -----BEGIN PGP SIGNED MESSAGE-----

    ______________________________________________________________________________

                            SUSE Security Announcement

            Package: mozilla
            Announcement-ID: SUSE-SA:2004:036
            Date: Wednesday, Oct 6th 14:36:39 MEST 2004
            Affected products: 8.1, 8.2, 9.0, 9.1
                                    SUSE Linux Enterprise Server 8, 9
                                    SUSE Linux Desktop 1.0
            Vulnerability Type: various vulnerabilities
            Severity (1-10): 5
            SUSE default package: yes
            Cross References: http://www.mozilla.org/security/

        Content of this advisory:
            1) security vulnerability resolved:
                 - various vulnerabilities
               problem description
            2) solution/workaround
            3) special instructions and notes
            4) package location and checksums
            5) pending vulnerabilities, solutions, workarounds:
                - openmotif
            6) standard appendix (further information)

    ______________________________________________________________________________

    1) problem description, brief discussion

        During the last months a number of security problems have been fixed
        in Mozilla and Mozilla based brwosers. These include:

         - CAN-2004-0718: content in unrelated windows could be modified
         - CAN-2004-0722: integer overflow in the SOAPParameter object constructor
         - CAN-2004-0757: heap-based buffer overflow in the SendUidl of POP3 code
         - CAN-2004-0758: denial-of-service with malicious SSL certificates
         - CAN-2004-0759: read files via JavaScript
         - CAN-2004-0760: MIME code handles %00 incorrectly
         - CAN-2004-0761: spoofing of security lock icon
         - CAN-2004-0762: manipulation of XPInstall Security dialog box
         - CAN-2004-0763: spoofing of SSL certificates by using redirects and
           JavaScript
         - CAN-2004-0764: hijacking the user interface via the "chrome" flag and
           XML User Interface Language (XUL) files
         - CAN-2004-0765: spoofing SSL certificates due to incorrecting comparsion
           of hostnames
         - CAN-2004-0902: Several heap based buffer overflows in Mozilla Browsers.
         - CAN-2004-0903: Stack-based buffer overflow in the writeGroup function
           in vcard handling.
         - CAN-2004-0904: Overflow in BMP bitmap decoding.
         - CAN-2004-0905: Crossdomain scripting and possible code execution by
           javascript drag and drop.
         - CAN-2004-0906: XPI Installer sets insecure permissions, allowing local
           users to overwrite files of the user.
         - CAN-2004-0908: Allow untrusted javascript code to read and write to the
           clipboard.
         - CAN-2004-0909: Allow remote attackers to trick the user into performing
           dangerous operations by modifying security relevant dialog boxes.

    2) solution/workaround

        Since there is no workaround, we recommend an update in any case
        if you use the mozilla browser.

    3) special instructions and notes

        After successfully updating the package(s) you need to close
        all instances of the web browser and restart it again.

    4) package location and checksums

        Due to the large amount of updated packages and dependencies we do
        not provide MD5-sums this time. The updates are cryptographically
        signed and are available for download via the Yast Online Update.

    ______________________________________________________________________________

    5) Pending vulnerabilities in SUSE Distributions and Workarounds:

         - openmotif
         The XPM security problems within openmotif have been fixed. New packages
         are available on our ftp servers.

    ______________________________________________________________________________

    6) standard appendix: authenticity verification, additional information

      - Package authenticity verification:

        SUSE update packages are available on many mirror ftp servers all over
        the world. While this service is being considered valuable and important
        to the free and open source software community, many users wish to be
        sure about the origin of the package and its content before installing
        the package. 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) md5sums as provided in the (cryptographically signed) announcement.
        2) using the internal gpg signatures of the rpm package.

        1) execute the command
            md5sum <name-of-the-file.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
           announcement. Since the announcement containing the checksums is
           cryptographically signed (usually using the key security@suse.de),
           the checksums show proof of the authenticity of the package.
           We disrecommend to subscribe to security lists which cause the
           email message containing the announcement to be modified so that
           the signature does not match after transport through the mailing
           list software.
           Downsides: You must be able to verify the authenticity of the
           announcement in the first place. If RPM packages are being rebuilt
           and a new version of a package is published on the ftp server, all
           md5 sums for the files are useless.

        2) 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, where <file.rpm> is the
           filename of the rpm package that you have downloaded. Of course,
           package authenticity verification can only target an un-installed rpm
           package file.
           Prerequisites:
            a) gpg is installed
            b) The package is signed using a certain key. The public part of this
               key must be installed by the gpg program in the directory
               ~/.gnupg/ under the user's home directory who performs the
               signature verification (usually root). You can import the key
               that is used by SUSE in rpm packages for SUSE Linux by saving
               this announcement to a file ("announcement.txt") and
               running the command (do "su -" to be root):
                gpg --batch; gpg < announcement.txt | gpg --import
               SUSE Linux distributions version 7.1 and thereafter install the
               key "build@suse.de" upon installation or upgrade, provided that
               the package gpg is installed. The file containing the public key
               is placed at the top-level directory of the first CD (pubring.gpg)
               and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de .

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

        suse-security@suse.com
            - general/linux/SUSE security discussion.
                All SUSE security announcements are sent to this list.
                To subscribe, send an email 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 email 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> respectively.

        =====================================================================
        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,
        it is desired that the clear-text signature shows proof of the
        authenticity of the text.
        SUSE Linux AG makes 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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