CVE-2011-3379

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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:P/I:P/A:P
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 77%
VendorProductVersion
phpphp
5.3.7
phpphp
5.3.8
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
php5
natty
not-affected
maverick
not-affected
lucid
not-affected
hardy
not-affected
Common Weakness Enumeration
References
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
http://securityreason.com/securityalert/8525
http://svn.php.net/viewvc/?view=revision&revision=317183
http://www.byte.nl/blog/2011/09/23/security-bug-in-is_a-function-in-php-5-3-7-5-3-8/
http://www.securityfocus.com/archive/1/519770/30/0/threaded
https://bugs.php.net/bug.php?id=55475
https://bugzilla.redhat.com/show_bug.cgi?id=741020
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
http://securityreason.com/securityalert/8525
http://svn.php.net/viewvc/?view=revision&revision=317183
http://www.byte.nl/blog/2011/09/23/security-bug-in-is_a-function-in-php-5-3-7-5-3-8/
http://www.securityfocus.com/archive/1/519770/30/0/threaded
https://bugs.php.net/bug.php?id=55475
https://bugzilla.redhat.com/show_bug.cgi?id=741020