CVE-2006-4812 Information

Description

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).

Reference

http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_alloc.c?r1=1.161&r2=1.162 http://lists.suse.com/archive/suse-security-announce/2006-Oct/0002.html http://rhn.redhat.com/errata/RHSA-2006-0688.html http://rhn.redhat.com/errata/RHSA-2006-0708.html http://secunia.com/advisories/22280 http://secunia.com/advisories/22281 http://secunia.com/advisories/22300 http://secunia.com/advisories/22331 http://secunia.com/advisories/22338 http://secunia.com/advisories/22533 http://secunia.com/advisories/22538 http://secunia.com/advisories/22650 http://securityreason.com/securityalert/1691 http://securitytracker.com/id?1016984 http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm http://support.avaya.com/elmodocs2/security/ASA-2006-234.htm http://www.gentoo.org/security/en/glsa/glsa-200610-14.xml http://www.hardened-php.net/advisory_092006.133.html http://www.hardened-php.net/files/CVE-2006-4812.patch http://www.securityfocus.com/archive/1/448014/100/0/threaded http://www.securityfocus.com/archive/1/448953/100/0/threaded http://www.securityfocus.com/bid/20349 http://www.trustix.org/errata/2006/0055 http://www.ubuntu.com/usn/usn-362-1 http://www.vupen.com/english/advisories/2006/3922 https://exchange.xforce.ibmcloud.com/vulnerabilities/29362