CVE-2007-1484 Information

Description

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.

Reference

http://docs.info.apple.com/article.html?artnum=306172 http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html http://secunia.com/advisories/24542 http://secunia.com/advisories/25056 http://secunia.com/advisories/25057 http://secunia.com/advisories/25445 http://secunia.com/advisories/26235 http://security.gentoo.org/glsa/glsa-200705-19.xml http://us2.php.net/releases/4_4_7.php http://us2.php.net/releases/5_2_2.php http://www.novell.com/linux/security/advisories/2007_32_php.html http://www.php-security.org/MOPB/MOPB-24-2007.html http://www.securityfocus.com/bid/22990 http://www.securityfocus.com/bid/25159 http://www.ubuntu.com/usn/usn-455-1 http://www.vupen.com/english/advisories/2007/2732