Common Vulnerabilities and Exposures assigned an identifier CVE-2010-1861 to the following vulnerability: The sysvshm extension for PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to write to arbitrary memory addresses by using an object's __sleep function to interrupt an internal call to the shm_put_var function, which triggers access of a freed resource. Reference: http://php-security.org/2010/05/05/mops-2010-009-php-shm_put_var-already-freed-resource-access-vulnerability/index.html
Created attachment 434649 [details] MOPS-2010-009 reproducer
Upstream commit: http://svn.php.net/viewvc?view=revision&revision=299328 More on impact of the interruption issues available at bug #617578, comment #3. *** This bug has been marked as a duplicate of bug 169857 ***
Statement: Red Hat does not consider interruption issues allowing safe_mode / open_basedir restriction bypass to be security sensitive. For more details see https://bugzilla.redhat.com/show_bug.cgi?id=169857#c1 and http://www.php.net/security-note.php