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HistoryFeb 06, 2012 - 12:00 a.m.

PHP 5.3.9 php_register_variable_ex() Code Execution

2012-02-0600:00:00
Tenable
www.tenable.com
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PHP version 5.3.9 is reportedly affected by a code execution vulnerability. Specifically, the fix for the hash collision denial of service vulnerability (CVE-2011-4885) itself has introduced a remote code execution vulnerability in the php_register_variable_ex() in the file php_variables.c. A new configuration variable, max_input_vars, was added as part of the fix. If the number of input variables exceeds this value and the variable being processed is an array, code execution can occur.

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