[Full-Disclosure] [RHSA-2004:001-01] Updated Ethereal packages fix security issues

bugzilla_at_redhat.com
Date: 01/07/04

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    To: redhat-watch-list@redhat.com, bugtraq@securityfocus.com, full-disclosure@lists.netsys.com
Date: Wed, 7 Jan 2004 13:13 -0500

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                       Red Hat Security Advisory

    Synopsis: Updated Ethereal packages fix security issues
    Advisory ID: RHSA-2004:001-01
    Issue date: 2004-01-07
    Updated on: 2004-01-07
    Product: Red Hat Linux
    Keywords:
    Cross references:
    Obsoletes: RHSA-2003:323
    CVE Names: CAN-2003-1012 CAN-2003-1013
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    1. Topic:

    Updated Ethereal packages that fix two security vulnerabilities are now
    available.

    2. Relevant releases/architectures:

    Red Hat Linux 9 - i386

    3. Problem description:

    Ethereal is a program for monitoring network traffic.

    Two security issues have been found that affect Ethereal. By exploiting
    these issues it may be possible to make Ethereal crash by injecting an
    intentionally malformed packet onto the wire or by convincing someone to
    read a malformed packet trace file. It is not known if these issues could
    allow arbitrary code execution.

    The SMB dissector in Ethereal before 0.10.0 allows remote attackers to
    cause a denial of service via a malformed SMB packet that triggers a
    segmentation fault during processing of Selected packets. The Common
    Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
    CAN-2003-1012 to this issue.

    The Q.931 dissector in Ethereal before 0.10.0 allows remote attackers to
    cause a denial of service (crash) via a malformed Q.931, which triggers a
    null dereference. The Common Vulnerabilities and Exposures project
    (cve.mitre.org) has assigned the name CAN-2003-1013 to this issue.

    Users of Ethereal should update to these erratum packages containing
    Ethereal version 0.10.0, which is not vulnerable to these issues.

    4. Solution:

    Before applying this update, make sure all previously released errata
    relevant to your system have been applied.

    Please note that this update is available via Red Hat Network. To use Red
    Hat Network, launch the Red Hat Update Agent with the following command:

    up2date

    This will start an interactive process that will result in the appropriate
    RPMs being upgraded on your system.

    5. RPMs required:

    Red Hat Linux 9:

    SRPMS:
    ftp://updates.redhat.com/9/en/os/SRPMS/ethereal-0.10.0a-0.90.1.src.rpm

    i386:
    ftp://updates.redhat.com/9/en/os/i386/ethereal-0.10.0a-0.90.1.i386.rpm
    ftp://updates.redhat.com/9/en/os/i386/ethereal-gnome-0.10.0a-0.90.1.i386.rpm

    6. Verification:

    MD5 sum Package Name
    - --------------------------------------------------------------------------
    cf02fe0315dcfa46f79c5fbf379a6225 9/en/os/SRPMS/ethereal-0.10.0a-0.90.1.src.rpm
    f7e4fe4f9a4cb47a2e6b42b5cfed5ce3 9/en/os/i386/ethereal-0.10.0a-0.90.1.i386.rpm
    686d115defe1ec92cc7a49ffe80bfbe4 9/en/os/i386/ethereal-gnome-0.10.0a-0.90.1.i386.rpm

    These packages are GPG signed by Red Hat for security. Our key is
    available from https://www.redhat.com/security/keys.html

    You can verify each package with the following command:
        
        rpm --checksig -v <filename>

    If you only wish to verify that each package has not been corrupted or
    tampered with, examine only the md5sum with the following command:
        
        md5sum <filename>

    7. References:

    http://www.ethereal.com/appnotes/enpa-sa-00012.html
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-1012
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-1013

    8. Contact:

    The Red Hat security contact is <secalert@redhat.com>. More contact
    details at https://www.redhat.com/solutions/security/news/contact.html

    Copyright 2003 Red Hat, Inc.
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