Code Injection in PHP - CVE-2011-3379
Published: November 3, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44549
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-3379
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
How to mitigate CVE-2011-3379
Install update from vendor's website.
Sources
- 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