OSEC

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-==PVDasm Long Name Debug Vulnerability==-

From: HaCkZaTaN (hck_zatanhotmail.com)
Date: Sat Mar 19 2005 - 23:44:03 CST


/*
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[N]eo [S]ecurity [T]eam [NST]® - Advisory #10 - 19/03/05
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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==-
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- Description
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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
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Windows XP non-SP

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

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

- Solutions
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Not Yet xD

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

- Credits
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Discovered by HaCkZaTaN <hck_zatanhotmail.com>

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

Got Questions? http://neosecurityteam.net/

Irc.InfoGroup.cl #neosecurityteam

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           And my Colombian people

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*/