Ultraseek 3.x Remote DoS Vulnerability

 

USSR Advisory Code:  USSR-2000056


Public Disclosure Date:
October 30, 2000


Vendors Affected:

Ultraseek Corporation.
http://www.ultraseek.com.


Systems Affected:
Ultraseek 3.1 (Sun Solaris)
Ultraseek 3.1 (Microsoft Windows NT)
Ultraseek 3.1 (Linux)
Ultraseek 3.1 (HP-UX)

Ultraseek 3.1.10 (Sun Solaris)
Ultraseek 3.1.10 (Microsoft Windows NT)
Ultraseek 3.1.10 (Linux)
Ultraseek 3.1.10 (HP-UX)

and possibly others.


Problem:
The USSR Team has found problem with the Ultraseek Search engine. The
Ultraseek Search engine is vulnerable to a Denial of Service attack.

Upon connecting to the search engine, which by default runs on port
8765, it is possible to pass a malformed URL to the engine that will
cause the process to stop responding to valid requests.


SPECIAL NOTE: That we take no responsibility for the given example. It
is for educational purposes only.

Example: 

http://ServerIP:8765/index.html?&col=&ht=0&qs=&qc=&pw=100%25&ws=0&nh=10&lk=1 &rf=0&si=1&si=1&ql=../../../index


Vendor Status:
Informed: Wednesday, October 11, 2000 1:34 PM
Contacted: Wednesday, October 11, 2000 2:14 PM
Patch Available: October 23, 2000


Fix: 

Sun Solaris 

Inktomi Search 4.0 for the Sun Solaris platform is available at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0.tar.Z
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0.tar.gz

Additional European language support for Solaris is available at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-language.tar.Z
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-language.tar.gz

Additional Asian language support for Solaris is available at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-cjk.tar.Z
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-cjk.tar.gz

Additional postscript support for Solaris is available at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-postscript.tar.Z
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-postscript.tar.gz

z3950 support for Solaris is available at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-z3950.tar.Z
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-z3950.tar.gz

40-bit SSL spidering support for Solaris is available at:  

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-ssl-export.tar.Z
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-solaris-4.0.0-ssl-export.tar.gz

128-bit SSL spidering support is also available.  Contact your sales
representative for download information.


Microsoft Windows NT
To install Inktomi Search 4.0 for Microsoft Windows NT, simply
download the latest version by saving it to your Desktop:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-winnt-4.0.0.exe

Then, unpack the files by double-clicking the Inktomi icon on your
desktop.   
Follow the instructions to complete the installation.

Additional European language support is available for Windows NT at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-winnt-4.0.0-language.exe

Additional Asian language support is available for Windows NT at: 

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-winnt-4.0.0-cjk.exe

Additional postscript support is available for Windows NT at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-winnt-4.0.0-postscript.exe

40-bit SSL spidering support for Windows NT is available at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-winnt-4.0.0-ssl-export.exe

128-bit SSL spidering support is also available.  Contact your sales
representative for download information.


Linux

Inktomi Search 4.0 for the Linux platform is available at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-linux-4.0.0.i386.rpm
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-linux-4.0.0.tar.gz

Additional European language support is available for Linux at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-linux-4.0.0-language.i386.rpm
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-linux-4.0.0-language.tar.gz

Additional Asian language support is available for Linux at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-linux-4.0.0-cjk.i386.rpm
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-linux-4.0.0-cjk.tar.gz

Additional z3950 support is available for Linux at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-linux-4.0.0-z3950.i386.rpm
ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-linux-4.0.0-z3950.tar.gz


HP-UX
To install Inktomi Search 4.0 on an HP-UX platform, unpack the file
using gzip and then tar. For example: 

gunzip InktomiSearch-hpux-4.0.0.tar.gz
tar xvf InktomiSearch-hpux-4.0.0.tar

Inktomi Search 4.0 for the HP-UX platform is available at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-hpux-4.0.0.tar.gz

Additional European language support is available for HP-UX at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-hpux-4.0.0-language.tar.gz

Additional Asian language support is available for HP-UX at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-hpux-4.0.0-cjk.tar.gz

Additional z3950 support is available for HP-UX at:

ftp://ftp.ultraseek.com/pub/InktomiSearch/4.0.0/InktomiSearch-hpux-4.0.0-z3950.tar.gz


Related Links:

Underground Security Systems Research:
http://www.ussrback.com

CrunchSp Product:
http://www.crunchsp.com

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