Original 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 software
- PHP = 5.3.8= 5.3.7 exact match
Details
- Published
- 2011-11-04
- Last modified
- 2024-08-07
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
References
- cve.org/CVE-2011-3379
- nvd.nist.gov/vuln/detail/CVE-2011-3379
- bugzilla.redhat.com/show_bug.cgi?id=741020
- h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
- svn.php.net/viewvc/?view=revision&revision=317183
- bugs.php.net/bug.php?id=55475
- www.securityfocus.com/archive/1/519770/30/0/threaded
- securityreason.com/securityalert/8525
- www.byte.nl/blog/2011/09/23/security-bug-in-is_a-function-in-php-5-3-7-5-3-8/
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