full-disclosure - SCOSA-2005.63 OpenServer 5.0.6 OpenServer 5.0.7 OpenServer 6.0.0 : wu-ftp Denial of Service Vulnerability

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Date: Wed Dec 21 18:01:33 2005
From: kf_lists at digitalmunition.com (KF (lists))
Subject: 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@....com wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> ______________________________________________________________________________ 
>
>
>             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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