CVE-2011-3379
HIGH
7.5
CVSS 2.0
Description
The is_a function in PHP 5.3.7 and 5.3.8 triggers a call to the __autoload function, which makes it easier for remote attackers to execute arbitrary code by providing a crafted URL and leveraging potentially unsafe behavior in certain PEAR packages and custom autoloaders.
Affected products and versions
- PHP versions 5.3.7, 5.3.8
References
- h20000.www2.hp.com http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- securityreason.com http://securityreason.com/securityalert/8525
- svn.php.net http://svn.php.net/viewvc/?view=revision&revision=317183 Patch
- www.byte.nl http://www.byte.nl/blog/2011/09/23/security-bug-in-is_a-function-in-php-5-3-7-5-3-8/ Exploit
- www.securityfocus.com http://www.securityfocus.com/archive/1/519770/30/0/threaded
- bugs.php.net https://bugs.php.net/bug.php?id=55475 Exploit
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=741020 Patch
- nvd.nist.gov Official NVD record