#VU45390 Input validation error in PHP - CVE-2011-0752
Published: February 3, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45390
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-0752
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PHP
PHP
Software vendor:
PHP Group
PHP Group
Description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
The extract function in PHP before 5.2.15 does not prevent use of the EXTR_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and (2) the this variable, which allows context-dependent attackers to bypass intended access restrictions by modifying data structures that were not intended to depend on external input, a related issue to CVE-2005-2691 and CVE-2006-3758.
Remediation
Install update from vendor's website.
External links
- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://www.openwall.com/lists/oss-security/2010/12/13/4
- http://www.php.net/archive/2010.php#id2010-12-10-1
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/releases/5_2_15.php
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65432
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12016