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Re: [Full-disclosure] Windows Command Processor CMD.EXE Buffer Overflow
- To: full-disclosure@xxxxxxxxxxxxxxxxx
- Subject: Re: [Full-disclosure] Windows Command Processor CMD.EXE Buffer Overflow
- From: Tillmann Werner <tillmann.werner@xxxxxx>
- Date: Mon, 23 Oct 2006 18:07:04 +0200
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
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