Date: Tue, 14 Feb 2012 12:13:01 +0100 From: Jan Lieskovsky <jlieskov@...hat.com> CC: Kurt Seifried <kseifried@...hat.com>, oss-security@...ts.openwall.com, "Steven M. Christey" <coley@...us.mitre.org>, Daniel Callaghan <dcallagh@...hat.com>, David Malcolm <dmalcolm@...hat.com> Subject: Re: CVE Request -- python (SimpleXMLRPCServer): DoS (excessive CPU usage) via malformed XML-RPC / HTTP POST request Hello vendors, just FYI, this issue affected also upstream PyPy v1.6 and v1.8 versions. Relevant upstream bug being here: https://bugs.pypy.org/issue1047 Thanks to David Malcolm for pointing this out! On 02/13/2012 04:57 PM, Kurt Seifried wrote: > On 02/13/2012 07:03 AM, Jan Lieskovsky wrote: >> Hello Kurt, Steve, vendors, >> >> we have been notified by Daniel Callaghan via: >>  https://bugzilla.redhat.com/show_bug.cgi?id=789790 >> >> 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: >>  http://bugs.python.org/issue14001 >> >> Could you allocate a CVE identifier for this? >> >> Thank you&& Regards, Jan. >> -- >> Jan iankko Lieskovsky / Red Hat Security Response Team > > Please use CVE-2012-0845 for this issue. Thanks, Kurt. Since the issue in PyPy is also coming from upstream Python SimpleXMLRPCServer.py module implementation: ../pypy-1.6/lib-python/2.7/SimpleXMLRPCServer.py assuming one CVE identifier is enough for both issues. Thank you && Regards, Jan. -- Jan iankko Lieskovsky / Red Hat Security Response Team
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