[VulnWatch] IRIX ftpd ftp_syslog issue with anonymous FTP

From: SGI Security Coordinator (agent99_at_sgi.com)
Date: 04/02/04

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

    ____________________________________________________________________________

                              SGI Security Advisory

    Title: IRIX ftpd ftp_syslog issue with anonymous FTP
    Number: 20040401-01-P
    Date: April 2, 2004
    Reference: SGI BUGs 893718 899364 909172
    Fixed in: Patches 5525 & 5547 for IRIX 6.5.20-6.5.23
    ______________________________________________________________________________

    SGI provides this information freely to the SGI user community for its
    consideration, interpretation, implementation and use. SGI recommends
    that this information be acted upon as soon as possible.

    SGI provides the information in this Security Advisory on an "AS-IS"
    basis only, and disclaims all warranties with respect thereto, express,
    implied or otherwise, including, without limitation, any warranty of
    merchantability or fitness for a particular purpose. In no event shall
    SGI be liable for any loss of profits, loss of business, loss of data or

    for any indirect, special, exemplary, incidental or consequential
    damages
    of any kind arising from your use of, failure to use or improper use of
    any of the instructions or information in this Security Advisory.
    _____________________________________________________________________________

    - -----------------------
    - --- Issue Specifics ---
    - -----------------------

    It has been reported thru various channel that there are several
    security issues affecting ftpd on IRIX.

     * win2k -> irix ftpd hangs indefinitely on link failure (SGI BUG 893718)
     * ftpd DoS possible involving PORT mode (SGI BUG 899364)
     * ftpd's ftp_syslog() doesn't work with anonymous FTP (SGI BUG 909172)

    SGI has investigated the issue and recommends the following steps for
    resolving this issue. It is HIGHLY RECOMMENDED that these measures
    be implemented on ALL vulnerable SGI systems. This issue has been
    corrected in future releases of IRIX.

    - --------------
    - --- Impact ---
    - --------------

    To determine the version of IRIX you are running, execute the following
    command:

      # /bin/uname -R

    That will return a result similar to the following:

      # 6.5 6.5.21f

    The first number ("6.5") is the release name, the second ("6.5.21f" in
    this case) is the extended release name. The extended release name
    is the "version" we refer to throughout this document.

    - ----------------
    - --- Solution ---
    - ----------------

    SGI has provided a series of patches for these vulnerabilities. Our
    recommendation is to upgrade to IRIX 6.5.23, or install the appropriate
    patches.

    OS Version Vulnerable? Patch # Other Actions
    - ---------- ----------- ------- -------------
    IRIX 3.x unknown Note 1
    IRIX 4.x unknown Note 1
    IRIX 5.x unknown Note 1
    IRIX 6.0.x unknown Note 1
    IRIX 6.1 unknown Note 1
    IRIX 6.2 unknown Note 1
    IRIX 6.3 unknown Note 1
    IRIX 6.4 unknown Note 1
    IRIX 6.5 unknown Note 1
    IRIX 6.5.1 unknown Note 1
    IRIX 6.5.2 unknown Note 1
    IRIX 6.5.3 unknown Note 1
    IRIX 6.5.4 unknown Note 1
    IRIX 6.5.5 unknown Note 1
    IRIX 6.5.6 unknown Note 1
    IRIX 6.5.7 unknown Note 1
    IRIX 6.5.8 unknown Note 1
    IRIX 6.5.9 unknown Note 1
    IRIX 6.5.10 unknown Note 1
    IRIX 6.5.11 unknown Note 1
    IRIX 6.5.12 unknown Note 1
    IRIX 6.5.13 unknown Note 1
    IRIX 6.5.14 unknown Note 1
    IRIX 6.5.15 unknown Note 1
    IRIX 6.5.16 unknown Note 1
    IRIX 6.5.17 unknown Note 1
    IRIX 6.5.18 unknown Note 1
    IRIX 6.5.19 unknown Note 1
    IRIX 6.5.20 yes 5547 Notes 2 & 3
    IRIX 6.5.21 yes 5547 Notes 2 & 3
    IRIX 6.5.22 yes 5525 Notes 2 & 3
    IRIX 6.5.23 yes 5525 Notes 2 & 3

       NOTES

         1) This version of the IRIX operating system is not actively supported.
            Upgrade to an actively supported IRIX operating system.
            See http://support.sgi.com/ for more information.

         2) If you have not received an IRIX 6.5.X CD for IRIX 6.5, contact
            your SGI Support Provider or URL: http://support.sgi.com/

         3) Install the required patch(es) based on your operating release.

                    ##### Patch File Checksums ####

    The actual patch will be a tar file containing the following files:

    Filename: README.patch.5525
    Algorithm #1 (sum -r): 06398 8 README.patch.5525
    Algorithm #2 (sum): 28729 8 README.patch.5525
    MD5 checksum: A20B4512C3CFAF544643FED09320F128

    Filename: patchSG0005525
    Algorithm #1 (sum -r): 33692 2 patchSG0005525
    Algorithm #2 (sum): 36945 2 patchSG0005525
    MD5 checksum: 3EA1499EE34D1A1652B2EE1A9CE9D195

    Filename: patchSG0005525.eoe_sw
    Algorithm #1 (sum -r): 49176 111 patchSG0005525.eoe_sw
    Algorithm #2 (sum): 47852 111 patchSG0005525.eoe_sw
    MD5 checksum: AF27B0DBDBC5BFB7ABC099F7D51B838F

    Filename: patchSG0005525.idb
    Algorithm #1 (sum -r): 04858 1 patchSG0005525.idb
    Algorithm #2 (sum): 34396 1 patchSG0005525.idb
    MD5 checksum: 685DFC1216755006DE71AA809D7AF0A1

    Filename: README.patch.5547
    Algorithm #1 (sum -r): 34292 8 README.patch.5547
    Algorithm #2 (sum): 35757 8 README.patch.5547
    MD5 checksum: B15A4CBDC1F98D5933669E1F3A9CAA5B

    Filename: patchSG0005547
    Algorithm #1 (sum -r): 36421 2 patchSG0005547
    Algorithm #2 (sum): 44863 2 patchSG0005547
    MD5 checksum: 782D17CDAC3A473EF1D2C156EB111469

    Filename: patchSG0005547.eoe_sw
    Algorithm #1 (sum -r): 24846 110 patchSG0005547.eoe_sw
    Algorithm #2 (sum): 52180 110 patchSG0005547.eoe_sw
    MD5 checksum: 8F0D09D2D27BF6CFFCD9AF0AB92997DC

    Filename: patchSG0005547.idb
    Algorithm #1 (sum -r): 64332 1 patchSG0005547.idb
    Algorithm #2 (sum): 34475 1 patchSG0005547.idb
    MD5 checksum: 32AA39F06EA881A5336252F7868BC341

    - -------------
    - --- Links ---
    - -------------

    SGI Security Advisories can be found at:
    http://www.sgi.com/support/security/ and
    ftp://patches.sgi.com/support/free/security/advisories/

    Red Hat Errata: Security Alerts, Bugfixes, and Enhancements
    http://www.redhat.com/apps/support/errata/

    SGI Advanced Linux Environment security updates can found on:
    ftp://oss.sgi.com/projects/sgi_propack/download/

    SGI patches can be found at the following patch servers:
    http://support.sgi.com/

    The primary SGI anonymous FTP site for security advisories and
    security patches is ftp://patches.sgi.com/support/free/security/

    - -----------------------------------------
    - --- SGI Security Information/Contacts ---
    - -----------------------------------------

    If there are questions about this document, email can be sent to
    security-info@sgi.com.

                          ------oOo------

    SGI provides security information and patches for use by the entire SGI
    community. This information is freely available to any person needing the
    information and is available via anonymous FTP and the Web.

    The primary SGI anonymous FTP site for security advisories and patches is
    patches.sgi.com. Security advisories and patches are located under the URL
    ftp://patches.sgi.com/support/free/security/

    The SGI Security Headquarters Web page is accessible at the URL:
    http://www.sgi.com/support/security/

    For issues with the patches on the FTP sites, email can be sent to
    security-info@sgi.com.

    For assistance obtaining or working with security patches, please
    contact your SGI support provider.

                          ------oOo------

    SGI provides a free security mailing list service called wiretap and
    encourages interested parties to self-subscribe to receive (via email) all
    SGI Security Advisories when they are released. Subscribing to the mailing
    list can be done via the Web
    (http://www.sgi.com/support/security/wiretap.html) or by sending email to
    SGI as outlined below.

    % mail wiretap-request@sgi.com
    subscribe wiretap < YourEmailAddress such as midwatch@sgi.com >
    end
    ^d

    In the example above, <YourEmailAddress> is the email address that you wish
    the mailing list information sent to. The word end must be on a separate
    line to indicate the end of the body of the message. The control-d (^d) is
    used to indicate to the mail program that you are finished composing the
    mail message.

                          ------oOo------

    SGI provides a comprehensive customer World Wide Web site. This site is
    located at http://www.sgi.com/support/security/ .

                          ------oOo------

    If there are general security questions on SGI systems, email can be sent to
    security-info@sgi.com.

    For reporting *NEW* SGI security issues, email can be sent to
    security-alert@sgi.com or contact your SGI support provider. A support
    contract is not required for submitting a security report.

    ______________________________________________________________________________
          This information is provided freely to all interested parties
          and may be redistributed provided that it is not altered in any
          way, SGI is appropriately credited and the document retains and
          includes its valid PGP signature.

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