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FS Advisory ID:            091002-SVWS

Release Date:              September 10, 2002

Product:                   Savant Web Server 3.1 and previous

Vendors:                   Savant (https://savant.sourceforge.net)
                         
Type:                      Buffer Overflow

Severity:                  The ability to gain remote access to the
system

Authors:                   Robin Keir (robin.keir@foundstone.com)

Platforms:                 Microsoft Windows Variants             

CVE Candidate:             CAN-2002-1120

Foundstone Advisory:       https://www.foundstone.com/advisories
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Overview:

A buffer overflow exists in versions 3.1 and previous of Savant Web
Server. 
Exploitation of this vulnerability allows remote execution of arbitrary
code 
with daemon privileges.

Detailed Description:

Sending a GET request containing a URL of approx. 291 characters or more
causes
Savant Web Server to crash.  Exploitation is possible and proof of
concept code 
has been authored to demonstrate this problem.

Vendor Response:

Savant was contacted on August 16th, 2002 regarding this vulnerability.

Solution:

Disable the Savant Web Server until a patch is made available by the
vendor.

FoundScan has been updated to check for this vulnerability. For more
information on FoundScan, see the Foundstone website:
https://www.foundstone.com

Disclaimer:

The information contained in this advisory is copyright (c) 2002 
Foundstone, Inc. and is believed to be accurate at the time of 
publishing, but no representation of any warranty is given, 
express, or implied as to its accuracy or completeness. In no 
event shall the author or Foundstone be liable for any direct, 
indirect, incidental, special, exemplary or consequential 
damages resulting from the use or misuse of this information.  
This advisory may be redistributed, provided that no fee is 
assigned and that the advisory is not modified in any way.