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Date: Mon, 13 Feb 2012 15:03:34 +0100
From: Jan Lieskovsky <>
To: "Steven M. Christey" <>
CC:, Daniel Callaghan <>,
        David Malcolm <>
Subject: CVE Request -- python (SimpleXMLRPCServer): DoS (excessive CPU usage)
 via malformed XML-RPC / HTTP POST request

Hello Kurt, Steve, vendors,

   we have been notified by Daniel Callaghan via:

about a denial of service flaw present in the way
Simple XML-RPC Server module of Python processed
client connections, that were closed prior the
complete request body has been received. A remote
attacker could use this flaw to cause Python Simple
XML-RPC based server process to consume excessive
amount of CPU.

Issue has been reported upstream at:

Could you allocate a CVE identifier for this?

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

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