CVE-2011-0752 Information

Description

The extract function in PHP before 5.2.15 does not prevent use of the EXTR_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and (2) the this variable which allows context-dependent attackers to bypass intended access restrictions by modifying data structures that were not intended to depend on external input a related issue to CVE-2005-2691 and CVE-2006-3758.

Reference

http://marc.info/?l=bugtraq&m=133469208622507&w=2 http://www.openwall.com/lists/oss-security/2010/12/13/4 http://www.php.net/archive/2010.phpid2010-12-10-1 http://www.php.net/ChangeLog-5.php http://www.php.net/releases/5_2_15.php https://exchange.xforce.ibmcloud.com/vulnerabilities/65432 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A12016