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pvdasm.txt

pvdasm.txt
Posted Mar 22, 2005
Authored by HaCkZaTaN | Site neosecurityteam.net

PVDasm versions 1.6b and below are susceptible to a buffer overflow when loading a file with a long name.

tags | advisory, overflow
SHA-256 | df2a25a62568830c167bb075e2938e57fc9e65b8dedb8d1c43fa0b1a8cc4905b

pvdasm.txt

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/*
--------------------------------------------------------
[N]eo [S]ecurity [T]eam [NST]® - Advisory #10 - 19/03/05
--------------------------------------------------------
Program: PVDasm
Homepage: http://pvdasm.reverse-engineering.net/
Vulnerable Versions: v1.6b & lowers
Risk: Medium!!
Impact: Long Name Debug Vulnerability

-==PVDasm Long Name Debug Vulnerability==-
---------------------------------------------------------

- Description
---------------------------------------------------------
Proview (a.k.a: PVDasm) is: Interactive, Multi-Cpu (x86/Chip8) Disassembler.
the Disassembler engine has been coded by (Ben) and it's free for Public Usage.
Proview (PVDasm) is my attempt to make a Disassembler as a part for school final
project and for basic knowledge & fun!
PVDasm is fully coded in C (IDE: MS-VC++.6.0), a bit of C++ Classes and STL
Templates for internal memory management.

- Tested
---------------------------------------------------------
Windows XP non-SP

- Explotation
---------------------------------------------------------
If PVDasm load a file with more than 100 characters it will
crash. This can be use for anti-debuging techniques.

- Exploit
---------------------------------------------------------
Pick any *.exe and change the name for more than 100 Characters or letters
and PVDasm will crash.

- Solutions
--------------------------------------------------------
Not Yet xD

- References
--------------------------------------------------------
http://neosecurityteam.net/Advisories/Advisory-10.txt

- Credits
-------------------------------------------------
Discovered by HaCkZaTaN <hck_zatan@hotmail.com>

[N]eo [S]ecurity [T]eam [NST]® - http://neosecurityteam.net/

Got Questions? http://neosecurityteam.net/

Irc.InfoGroup.cl #neosecurityteam

- Greets
--------------------------------------------------------
Paisterist
T0wn3r
LINUX
Heap
Nitrous
CrashCool
eL_mEsIaS
Makoki
KingMetal

And my Colombian people

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*/
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