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critical10.0Public exploit code

CVE-2006-4812

Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).

Affected products

VendorProductAffected versions
PhpPhp
Versions 4.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5

Weakness classification

CWE-94

References