Common Vulnerabilities and Exposures assigned an identifier CVE-2010-1914 to the following vulnerability: The Zend Engine in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information by interrupting the handler for the (1) ZEND_BW_XOR opcode (shift_left_function), (2) ZEND_SL opcode (bitwise_xor_function), or (3) ZEND_SR opcode (shift_right_function), related to the convert_to_long_base function. References: [1] http://www.php-security.org/2010/05/08/mops-2010-014-php-zend_bw_xor-opcode-interruption-address-information-leak-vulnerability/index.html [2] http://www.php-security.org/2010/05/08/mops-2010-015-php-zend_sl-opcode-interruption-address-information-leak-vulnerability/index.html [3] http://www.php-security.org/2010/05/08/mops-2010-016-php-zend_sr-opcode-interruption-address-information-leak-vulnerability/index.html [4] http://xforce.iss.net/xforce/xfdb/58587
Created attachment 433679 [details] Public MOPS-2010-014 reproducer
Created attachment 433680 [details] Public MOPS-2010-015 reproducer
Created attachment 433681 [details] Public MOPS-2010-016 reproducer
This issue did NOT affect the versions of the php package, as shipped with Red Hat Enterprise Linux 3 and 4. This issue affects the version of the php package, as shipped with Red Hat Enterprise Linux 5. This issue affects the versions of the php package, as shipped with Fedora release of 12 and 13.
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
Upstream fix: http://svn.php.net/viewvc?view=revision&revision=299280
More info on the impact of the interruption vulnerabilities - bug #617578, comment #3. *** This bug has been marked as a duplicate of bug 169857 ***