full-disclosure - Cygwin Bash Buffer Overflow

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Date: Sun May 29 01:44:10 2005
From: rodrigo at intellicomp.cl (Rodrigo Gutierrez)
Subject: Cygwin Bash Buffer Overflow

Cygwin Bash Buffer Overflow

Author: Rodrigo Gutierrez <rodrigo@...ellicomp.cl>

Affected: Versions of bash distributed by the cygwin project

vendor url: http://www.cygwin.com

Type: Local

Background.

Cygwin is a Linux-like environment for Windows. GNU BASH is the GNU
project's UNIX shell. It replaces the standard UNIX Bourne and Korn shells.

Description

I think that cygwin people are cool, but Full Disclosure is a life style,
this is all you get guys, 8 megs.

PoC

you@...win:~ /usr/bin/bash `perl -e "print 'a'x8388600"`