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From: ulfh at Update.UU.SE (Ulf H{rnhammar)
Subject: Re: Apache 2.0.(39|40) DOS (PHP!)
On Mon, Sep 23, 2002 at 12:33:04PM -0700, shaddup@...h.com wrote:
> - -=~=-_-=~=-_-=~=-
> I put PHP in the title so I know this message will reach the "sekur1ty c0mmun1ty", that *knows* that PHP is bad, because it's easy to write insecure applications, unlike C.
> - -=~=-_-=~=-_-=~=-
> Problem:
> o Apache 2.0 (.39 and .40 tested) on Linuxx0r (and possibly other OS's)
> will hang on a write to stderr that is larger than the default buffer
> size (4k on Linux)
> Impact:
> o Local users can cause apache's httpd process to hang
> o Possible new DoS to look for in web apps that write
> user input to stderr!
*whiny voice* This is a bug in the web applications, and not in Apache. *moan*
// Ulf
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