full-disclosure - Re: Windows Command Processor CMD.EXE Buffer Overflow

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <27074616.441161620474283.JavaMail.root@zimbra-storage1>
Date: Mon, 23 Oct 2006 16:21:14 +0000 (UTC)
From: offset@...vanet.com
To: full-disclosure@...ts.grok.org.uk
Subject: Re: Windows Command Processor CMD.EXE Buffer
 Overflow

This works on Windows SP2 : The system doesn't reply "The filename or extension is too long."
but cmd crash.

----- Tillmann Werner <tillmann.werner@....de> wrote:
> Luis,
> 
> > Tried it on Win2k3 SP1:
> > C:\Documents and Settings\Administrator>%COMSPEC% /K
> > "dir\\?\AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
> >
> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
> >A AAAA
> >
> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
> >A AAAA
> > AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
> > System replied:
> > The filename or extension is too long.
> >
> >
> > YEah! Buffer Overflow Windows XP SP2
> >
> > I Hill debug this.
> 
> What makes you think there is a buffer overflow? I'd say the 'dir'
> command 
> reports an error for parameters beyond 256 chars. Just plain error
> handling, 
> not a security issue, or am I missing something?
> 
> Tillmann
> 
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
> Hosted and sponsored by Secunia - http://secunia.com/

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/