Common Vulnerabilities and Exposures assigned an identifier CVE-2010-2191 to the following vulnerability: The (1) parse_str, (2) preg_match, (3) unpack, and (4) pack functions; the (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, and (7) ZEND_ASSIGN_CONCAT opcodes; and the (8) ArrayObject::uasort method in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) or trigger memory corruption by causing a userspace interruption of an internal function or handler. NOTE: vectors 2 through 4 are related to the call time pass by reference feature. References: http://www.php-security.org/2010/05/31/mops-2010-049-php-parse_str-interruption-memory-corruption-vulnerability/index.html http://www.php-security.org/2010/05/31/mops-2010-050-php-preg_match-interruption-information-leak-vulnerability/index.html http://www.php-security.org/2010/05/31/mops-2010-051-php-unpack-interruption-information-leak-vulnerability/index.html http://www.php-security.org/2010/05/31/mops-2010-052-php-pack-interruption-information-leak-vulnerability/index.html http://www.php-security.org/2010/05/31/mops-2010-053-php-zend_fetch_rw-opcode-interruption-information-leak-vulnerability/index.html http://www.php-security.org/2010/05/31/mops-2010-054-php-zend_concatzend_assign_concat-opcode-interruption-information-leak-and-memory-corruption-vulnerability/index.html http://www.php-security.org/2010/05/31/mops-2010-055-php-arrayobjectuasort-interruption-memory-corruption-vulnerability/index.html
Created attachment 434935 [details] MOPS-2010-049 reproducer Upstream fix: http://svn.php.net/viewvc?view=revision&revision=299281
Created attachment 434949 [details] MOPS-2010-050 reproducer
Created attachment 434950 [details] MOPS-2010-051 reproducer
Created attachment 434952 [details] MOPS-2010-052 reproducer Upstream fix: http://svn.php.net/viewvc?view=revision&revision=299279
Created attachment 434958 [details] MOPS-2010-053 reproducer This reproducer crashes PHP 5.3.3.
Created attachment 434966 [details] MOPS-2010-054 reproducer
Created attachment 434968 [details] MOPS-2010-055 reproducer Upstream fix included in 5.3.3: http://svn.php.net/viewvc?view=revision&revision=299327
More info on the impact of the interruption vulnerabilities - 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