php php CVE-2012-1823 vulnerability in PHP and Other Products
Published on May 11, 2012

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sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI script (aka php-cgi), does not properly handle query strings that lack an = (equals sign) character, which allows remote attackers to execute arbitrary code by placing command-line options in the query string, related to lack of skipping a certain php_getopt for the 'd' case.

NVD

Known Exploited Vulnerability

This PHP-CGI Query String Parameter Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. sapi/cgi/cgi_main.c in PHP, when configured as a CGI script, does not properly handle query strings, which allows remote attackers to execute arbitrary code.

The following remediation steps are recommended / required by April 15, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2012-1823 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is a Command Injection Vulnerability?

The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

CVE-2012-1823 has been classified to as a Command Injection vulnerability or weakness.


Products Associated with CVE-2012-1823

You can be notified by stack.watch whenever vulnerabilities like CVE-2012-1823 are published in these products:

PHP
 
Fedora Project Fedora
 
Debian Linux
 
Hp Ux
 
OpenSuse
 
Suse Linux Enterprise Server
 
Suse Linux Enterprise Software Development Kit
 
Apple macOS
 
Red Hat Enterprise Linux Server
 
Red Hat Enterprise Linux Workstation
 
Red Hat Enterprise Linux Desktop
 
Red Hat Enterprise Linux Server Aus
 
Red Hat Storage
 
Red Hat Storage For Public Cloud
 
Red Hat Enterprise Linux Eus
 
Red Hat Gluster Storage Server On Premise
 
Red Hat Application Stack
 

What versions are vulnerable to CVE-2012-1823?