The parse_str function in PHP 4.x up to 4.4.0 and 5.x up to 5.0.5,
when called with only one parameter, allows remote attackers to enable
the register_globals directive via inputs that cause a request to be
terminated due to the memory_limit setting, which causes PHP to set an
internal flag that enables register_globals and allows attackers to
exploit vulnerabilities in PHP applications that would otherwise be
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20051031 Advisory 19/2005: PHP register_globals Activation Vulnerability in parse_str()
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