The array_user_key_compare function in PHP 4.4.6 and earlier, and 5.x up to 5.2.1, makes erroneous calls to zval_dtor, which triggers memory corruption and allows local users to bypass safe_mode and execute arbitrary code via a certain unset operation after array_user_key_compare has been called.
Publish Date : 2007-03-16 Last Update Date : 2008-09-05
(There is considerable informational disclosure.)
(Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
(There is reduced performance or interruptions in resource availability.)
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
(Authentication is not required to exploit the vulnerability.)
Execute CodeMemory corruptionBypass a restriction or similar
||CWE id is not defined for this vulnerability
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