#VU44086 Permissions, Privileges, and Access Controls in PHP - CVE-2012-2335

Vulnerability identifier: #VU44086

Vulnerability risk: Medium

CVSSv4.0: 2.7 [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-2012-2335

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

PHP: 5.3.12, 5.4.2

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External links
https://eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/
https://git.php.net/?p=php-src.git;a=blob;f=sapi/cgi/cgi_main.c;h=a7ac26f0#l1569
https://lists.opensuse.org/opensuse-security-announce/2012-06/msg00004.html
https://lists.opensuse.org/opensuse-security-announce/2012-07/msg00003.html
https://secunia.com/advisories/49014
https://www.kb.cert.org/vuls/id/520827
https://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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.