Common Vulnerabilities and Exposures assigned an identifier CVE-2010-4697 to the following issue: Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference. References: http://bugs.php.net/52879 http://www.php.net/ChangeLog-5.php#5.3.4 http://www.php.net/ChangeLog-5.php#5.2.15 Upstream commit: http://svn.php.net/viewvc/?view=revision&revision=303913
This is under the full control of the script author, hence may possibly allow safe_mode / open_basedir restrictions. *** This bug has been marked as a duplicate of bug 169857 ***
Statement: We do not consider safe_mode / open_basedir restriction bypass issues to be security sensitive. For more details see http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1 and http://www.php.net/security-note.php