Permissions, Privileges, and Access Controls in PHP - CVE-2012-2335
Published: May 11, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU44086
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2012-2335
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
php-wrapper.fcgi does not properly handle command-line arguments, which allows remote attackers to bypass a protection mechanism in PHP 5.3.12 and 5.4.2 and execute arbitrary code by leveraging improper interaction between the PHP sapi/cgi/cgi_main.c component and a query string beginning with a +- sequence.
Affected software
PHP
Gentoo Linux
SUSE Linux
Gentoo Linux
SUSE Linux
How to mitigate CVE-2012-2335
Install update from vendor's website.
External References
- http://eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/
- http://git.php.net/?p=php-src.git;a=blob;f=sapi/cgi/cgi_main.c;h=a7ac26f0#l1569
- http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.html
- http://secunia.com/advisories/49014
- http://www.kb.cert.org/vuls/id/520827
- http://www.php.net/archive/2012.php#id2012-05-06-1
- https://bugs.php.net/bug.php?id=61910
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75652
- https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862