Python -- DoS via malformed XML-RPC / HTTP POST request

Description:

Jan Lieskovsky reports,

A denial of service flaw was found 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.

References:

• CVE name CVE-2012-0845
• URL: <http://bugs.python.org/issue14001>
• URL: <https://bugzilla.redhat.com/show_bug.cgi?id=789790>
• URL: <https://bugs.pypy.org/issue1047>

Affects:

• python32 <=3.2.2_2
• python31 <=3.1.4_2
• python27 <=2.7.2_3
• python26 <=2.6.7_2
• python25 <=2.5.6_2
• python24 <=2.4.5_8
• pypy <=1.7

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