[RHSA-2003:316-01] Updated iproute packages fix local security vulnerability

bugzilla_at_redhat.com
Date: 11/24/03

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                       Red Hat Security Advisory

    Synopsis: Updated iproute packages fix local security vulnerability
    Advisory ID: RHSA-2003:316-01
    Issue date: 2003-11-24
    Updated on: 2003-11-24
    Product: Red Hat Linux
    Keywords: DoS
    Cross references:
    Obsoletes:
    CVE Names: CAN-2003-0856
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    1. Topic:

    Updated iproute packages that close a locally-exploitable denial of service
    vulnerability are now available.

    2. Relevant releases/architectures:

    Red Hat Linux 7.1 - i386
    Red Hat Linux 7.1 for iSeries (64 bit) - ppc
    Red Hat Linux 7.1 for pSeries (64 bit) - ppc
    Red Hat Linux 7.2 - i386, ia64
    Red Hat Linux 7.3 - i386
    Red Hat Linux 8.0 - i386
    Red Hat Linux 9 - i386

    3. Problem description:

    The iproute package contains advanced IP routing and network device
    configuration tools.

    Herbert Xu reported that iproute can accept spoofed messages sent on the
    kernel netlink interface by other users on the local machine. This could
    lead to a local denial of service attack. The Common Vulnerabilities and
    Exposures project (cve.mitre.org) has assigned the name CAN-2003-0856 to
    this issue.
     
    Users of iproute should upgrade to these erratum packages, which contain a
    patch that checks that netlink messages actually came from the kernel.

    4. Solution:

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

    To update all RPMs for your particular architecture, run:

    rpm -Fvh [filenames]

    where [filenames] is a list of the RPMs you wish to upgrade. Only those
    RPMs which are currently installed will be updated. Those RPMs which are
    not installed but included in the list will not be updated. Note that you
    can also use wildcards (*.rpm) if your current directory *only* contains the
    desired RPMs.

    Please note that this update is also available via Red Hat Network. Many
    people find this an easier way to apply updates. 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.

    If up2date fails to connect to Red Hat Network due to SSL
    Certificate Errors, you need to install a version of the
    up2date client with an updated certificate. The latest version of
    up2date is available from the Red Hat FTP site and may also be
    downloaded directly from the RHN website:

    https://rhn.redhat.com/help/latest-up2date.pxt

    5. RPMs required:

    Red Hat Linux 7.1:

    SRPMS:
    ftp://updates.redhat.com/7.1/en/os/SRPMS/iproute-2.4.7-7.71.1.src.rpm
    ftp://updates.redhat.com/7.1/en/os/SRPMS/iproute-2.4.7-7.71ppc.1.src.rpm

    i386:
    ftp://updates.redhat.com/7.1/en/os/i386/iproute-2.4.7-7.71.1.i386.rpm

    Red Hat Linux 7.1 for iSeries (64 bit):

    SRPMS:
    ftp://updates.redhat.com/7.1/en/os/iSeries/SRPMS/iproute-2.4.7-7.71ppc.1.src.rpm

    ppc:
    ftp://updates.redhat.com/7.1/en/os/iSeries/ppc/iproute-2.4.7-7.71ppc.1.ppc.rpm

    Red Hat Linux 7.1 for pSeries (64 bit):

    SRPMS:
    ftp://updates.redhat.com/7.1/en/os/pSeries/SRPMS/iproute-2.4.7-7.71ppc.1.src.rpm

    ppc:
    ftp://updates.redhat.com/7.1/en/os/pSeries/ppc/iproute-2.4.7-7.71ppc.1.ppc.rpm

    Red Hat Linux 7.2:

    SRPMS:
    ftp://updates.redhat.com/7.2/en/os/SRPMS/iproute-2.4.7-7.72.1.src.rpm

    i386:
    ftp://updates.redhat.com/7.2/en/os/i386/iproute-2.4.7-7.72.1.i386.rpm

    ia64:
    ftp://updates.redhat.com/7.2/en/os/ia64/iproute-2.4.7-7.72.1.ia64.rpm

    Red Hat Linux 7.3:

    SRPMS:
    ftp://updates.redhat.com/7.3/en/os/SRPMS/iproute-2.4.7-7.73.1.src.rpm

    i386:
    ftp://updates.redhat.com/7.3/en/os/i386/iproute-2.4.7-7.73.1.i386.rpm

    Red Hat Linux 8.0:

    SRPMS:
    ftp://updates.redhat.com/8.0/en/os/SRPMS/iproute-2.4.7-7.80.1.src.rpm

    i386:
    ftp://updates.redhat.com/8.0/en/os/i386/iproute-2.4.7-7.80.1.i386.rpm

    Red Hat Linux 9:

    SRPMS:
    ftp://updates.redhat.com/9/en/os/SRPMS/iproute-2.4.7-7.90.1.src.rpm

    i386:
    ftp://updates.redhat.com/9/en/os/i386/iproute-2.4.7-7.90.1.i386.rpm

    6. Verification:

    MD5 sum Package Name
    - --------------------------------------------------------------------------
    2f1ea42cdf30113141f10538e2179beb 7.1/en/os/SRPMS/iproute-2.4.7-7.71.1.src.rpm
    18b11d4c092ec8f32c90d6c46eff0e5e 7.1/en/os/i386/iproute-2.4.7-7.71.1.i386.rpm
    d610fcf135659a40e1cace634e706aef 7.1/en/os/iSeries/SRPMS/iproute-2.4.7-7.71ppc.1.src.rpm
    10517e763dc7e25a93664fce504e1d0a 7.1/en/os/iSeries/ppc/iproute-2.4.7-7.71ppc.1.ppc.rpm
    d610fcf135659a40e1cace634e706aef 7.1/en/os/pSeries/SRPMS/iproute-2.4.7-7.71ppc.1.src.rpm
    10517e763dc7e25a93664fce504e1d0a 7.1/en/os/pSeries/ppc/iproute-2.4.7-7.71ppc.1.ppc.rpm
    3d7a9f23eb56e24012f0a2cfd4c4e403 7.2/en/os/SRPMS/iproute-2.4.7-7.72.1.src.rpm
    90f4960d5e9013bfbe678ff4286bc17f 7.2/en/os/i386/iproute-2.4.7-7.72.1.i386.rpm
    86f3216474f4effa7364b75da360b153 7.2/en/os/ia64/iproute-2.4.7-7.72.1.ia64.rpm
    7e95bd6212c96d20b25a8c761dd2c749 7.3/en/os/SRPMS/iproute-2.4.7-7.73.1.src.rpm
    e05fc87d3047905d89850dd705e2f641 7.3/en/os/i386/iproute-2.4.7-7.73.1.i386.rpm
    22ca841ec539d36b14ba8f3b8c82f78c 8.0/en/os/SRPMS/iproute-2.4.7-7.80.1.src.rpm
    f0075b7a8250003ff06d50bec81627a3 8.0/en/os/i386/iproute-2.4.7-7.80.1.i386.rpm
    f373608f9f55848c2592c13e594319d3 9/en/os/SRPMS/iproute-2.4.7-7.90.1.src.rpm
    ffaab09f8adbc38e67a009c5a7780b45 9/en/os/i386/iproute-2.4.7-7.90.1.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://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0856

    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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