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Date:      Tue, 18 May 1999 10:39:33 -0600
From:      Wes Peters <wes@softweyr.com>
To:        "Rashid N. Achilov" <shelton@granch.ru>
Cc:        Roger Marquis <marquis@roble.com>, security@FreeBSD.ORG
Subject:   Re: HTML DOS? (http://microsoft.com/NTServer/all/Downloads.asp)
Message-ID:  <374197C5.AD8734F5@softweyr.com>
References:  <Pine.GSO.3.96.990517072214.22349A-100000@roble2.roble.com> <37412A96.99E83C0E@granch.ru>

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"Rashid N. Achilov" wrote:
> 
> Roger Marquis wrote:
> >
> > Has anyone attempted to browse:
> >
> >         http://microsoft.com/NTServer/all/Downloads.asp
> >
> > using Netscape Navigator and noticed what seems to be an HTML denial of
> > service?  I've tested this page with Javascript on and off, Java on and
> > off, cookies on and off, stylesheets off, under FreeBSD, Linux and
> > Solaris and the behavior is consistent:
> >
> >         * Navigator freezes for several seconds
> >         * CPU utilization climbs briefly to near 100%
> >         * memory usage climbs by 11MB
> >         * the 11MB or memory are not released even after leaving
> >           the page and clearing disk and RAM caches.
> >
> >
> 
> After 7 minutes loading Netscape break with core dump :-( CPU
> utilization slowly up to 80%, next going in swap reading state, CPU
> utilization down, Netscape down with core dump :-(...FreeBSD 2.2.8, 32Mb
> RAM, Java on, JScript on, cookies on. Netscape Communicator 4.51 english

Machine: PII/300, 64MB, NeoMagic 128.
Netscape: 4.51 Linux/ELF
FreeBSD: 3.1-RELEASE

Netscape topped out at 83.45% CPU, but drew the page in 1:05.

-- 
       "Where am I, and what am I doing in this handbasket?"

Wes Peters                                                 Softweyr LLC
http://www.softweyr.com/~softweyr                      wes@softweyr.com


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