Ubuntu Security Notice 1615-1 - It was discovered that Python distutils contained a race condition when creating the ~/.pypirc file. A local attacker could exploit this to obtain sensitive information. It was discovered that SimpleXMLRPCServer did not properly validate its input when handling HTTP POST requests. A remote attacker could exploit this to cause a denial of service via excessive CPU utilization. This issue only affected Ubuntu 11.04 and 11.10. Various other issues were also addressed.
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