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Re: [Full-disclosure] SCOSA-2005.63 OpenServer 5.0.6 OpenServer 5.0.7 OpenServer 6.0.0 : wu-ftp Denial of Service Vulnerability



How about you retards upgrade your own production ftp servers before sending out an another wu advisory...

Seriously.... how many years can you leave this box unpatched? Look like you JUST released yet an nother patch that you can apply to it...

ftp ftpput.sco.com
Connected to ftpput.sco.com.
220 artemis FTP server (Version 2.1WU(1)) ready.
Name (ftpput.sco.com:kfinisterre):

-KF

security@xxxxxxx wrote:

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______________________________________________________________________________


SCO Security Advisory

Subject: OpenServer 5.0.6 OpenServer 5.0.7 OpenServer 6.0.0 : wu-ftp Denial of Service Vulnerability
Advisory number: SCOSA-2005.63
Issue date: 2005 December 21
Cross reference: sr893936 fz532335 erg712856
sr895049 fz533027 erg712952
CVE-2005-0256
______________________________________________________________________________




1. Problem Description

    The wu_fnmatch function in wu_fnmatch.c allows remote attackers
    to cause a denial of service (CPU exhaustion by recursion) via a
    glob pattern with a large number of * (wildcard) characters, as
    demonstrated using the dir command.

    The Common Vulnerabilities and Exposures project (cve.mitre.org)
    has assigned the following name CVE-2005-0256 to this issue.


2. Vulnerable Supported Versions

System Binaries
----------------------------------------------------------------------


    OpenServer 5.0.6         /etc/ftpd
    OpenServer 5.0.7         /etc/ftpd
    OpenServer 6.0.0         /etc/ftpd


3. Solution

    The proper solution is to install the latest packages.


4. OpenServer 5.0.6

    4.1 Location of Fixed Binaries

    ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63


4.2 Verification

    MD5 (p532335.506_vol.tar) = 89ea2ed1f88da6721bd73c3889f9ac0c

    md5 is available for download from
        ftp://ftp.sco.com/pub/security/tools


4.3 Installing Fixed Binaries

    The following package should be installed on your system before you
    install this fix:

        OSS646C

    Upgrade the affected binaries with the following sequence:

    1) Download p532335.506_vol.tar to a directory.

    2) Extract VOL* files.

       # tar xvf p532335.506_vol.tar

    3) Run the custom command, specify an install
       from media images, and specify the directory as
       the location of the images.


5. OpenServer 5.0.7

    5.1 Location of Fixed Binaries

    The fixes are only available in SCO OpenServer Release 5.0.7
    Maintenance Pack 4 or later.

    ftp://ftp.sco.com/pub/openserver5/507/mp/osr507mp4/osr507mp4_vol.tar


5.2 Verification

    MD5 (osr507mp4_vol.tar) = 4c87d840ff5b43221258547d19030228

    md5 is available for download from
        ftp://ftp.sco.com/pub/security/tools


5.3 Installing Fixed Binaries

    See the SCO OpenServer Release 5.0.7 Maintenance Pack 4 Release
    and Installation Notes:

    ftp://ftp.sco.com/pub/openserver5/507/mp/osr507mp4/osr507mp4.htm


6. OpenServer 6.0.0

    6.1 Location of Fixed Binaries

    ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.63


6.2 Verification

    MD5 (p533027.600_vol.tar) = d939cb729d115c9bef2d2032903f2125

    md5 is available for download from
        ftp://ftp.sco.com/pub/security/tools


6.3 Installing Fixed Binaries

    Upgrade the affected binaries with the following sequence:

    1) Download p533027.600_vol.tar to a directory.

    2) Extract VOL* files.

       # tar xvf p533027.600_vol.tar

    3) Run the custom command, specify an install
       from media images, and specify the directory as
       the location of the images.


7. References

Specific references for this advisory:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0256
http://www.idefense.com/application/poi/display?id=207&type=vulnerabilities



SCO security resources: http://www.sco.com/support/security/index.html

    SCO security advisories via email
        http://www.sco.com/support/forums/security.html

    This security fix closes SCO incidents sr893936 fz532335
    erg712856 sr895049 fz533027 erg712952.


8. Disclaimer

    SCO is not responsible for the misuse of any of the information
    we provide on this website and/or through our security
    advisories. Our advisories are a service to our customers
    intended to promote secure installation and use of SCO
    products.


9. Acknowledgments

    SCO would like to thank Adam Zabrocki.

______________________________________________________________________________

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_______________________________________________
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Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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_______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/