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Date: Mon, 23 Nov 2009 13:18:14 +0100
From: Jan Lieskovsky <>
CC: Thomas Biege <>
Subject: Re: CVE request: php 5.3.1 - "max_file_uploads" [was:
 Re: CVE request: php 5.3.1 update]

Eren Türkay wrote:
> On Friday 20 November 2009 12:41:50 pm Thomas Biege wrote:
>> * Added "max_file_uploads" INI directive, which can be set to limit the
>> number of file uploads per-request to 20 by default, to prevent possible
>> DOS via temporary file exhaustion.
> Bogdan Calin disclosed the details about that vulnerability on full-disclosure 
> mailing list. He didn't disclosed his script but I wrote a PoC that works like 
> a charm. It makes DoS possible for any server that runs PHP within 1 minute 
> with a few requests.
> Additionally, this vulnerability affects 5.2.11. I guess all products before 
> PHP 5.3.1 are vulnerable.
> I think this deserves CVE Id. Any ideas?

   Josh, could you please allocate one?

Also changed the topic to match only 'php 5.3.1 - "max_file_uploads"' thing,
so it isn't lost in other mails.

Thanks && Regards, Jan.
Jan iankko Lieskovsky / Red Hat Security Response Team

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