7.5
HIGH CVSS 2.0
CVE-2012-2311
PHP CGI Command Injection Vulnerability
Description

sapi/cgi/cgi_main.c in PHP before 5.3.13 and 5.4.x before 5.4.3, when configured as a CGI script (aka php-cgi), does not properly handle query strings that contain a %3D sequence but no = (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. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1823.

INFO

Published Date :

May 11, 2012, 10:15 a.m.

Last Modified :

April 11, 2025, 12:51 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2012-2311 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Php php
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
Solution
This vulnerability allows remote attackers to execute arbitrary code via PHP CGI.
  • Upgrade PHP to version 5.3.13 or 5.4.3 or later.
  • Update the affected PHP packages.
Public PoC/Exploit Available at Github

CVE-2012-2311 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2012-2311.

URL Resource
http://eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00011.html
http://marc.info/?l=bugtraq&m=134012830914727&w=2
http://marc.info/?l=bugtraq&m=134012830914727&w=2
http://secunia.com/advisories/49014
http://secunia.com/advisories/49085
http://support.apple.com/kb/HT5501
http://www.debian.org/security/2012/dsa-2465
http://www.kb.cert.org/vuls/id/520827 US Government Resource
http://www.php.net/ChangeLog-5.php#5.4.3
http://www.php.net/archive/2012.php#id2012-05-08-1
http://www.securitytracker.com/id?1027022
https://bugs.php.net/bug.php?id=61910 Vendor Advisory
https://bugs.php.net/patch-display.php?bug_id=61910&patch=cgi.diff-fix-check.patch&revision=1336093719&display=1
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862
http://eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00011.html
http://marc.info/?l=bugtraq&m=134012830914727&w=2
http://marc.info/?l=bugtraq&m=134012830914727&w=2
http://secunia.com/advisories/49014
http://secunia.com/advisories/49085
http://support.apple.com/kb/HT5501
http://www.debian.org/security/2012/dsa-2465
http://www.kb.cert.org/vuls/id/520827 US Government Resource
http://www.php.net/ChangeLog-5.php#5.4.3
http://www.php.net/archive/2012.php#id2012-05-08-1
http://www.securitytracker.com/id?1027022
https://bugs.php.net/bug.php?id=61910 Vendor Advisory
https://bugs.php.net/patch-display.php?bug_id=61910&patch=cgi.diff-fix-check.patch&revision=1336093719&display=1
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2012-2311 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Dockerfile PHP

Updated: 2 months, 3 weeks ago
1 stars 1 fork 1 watcher
Born at : Aug. 17, 2020, 7:54 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2012-2311 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2012-2311 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/
    Added Reference http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00002.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00007.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00011.html
    Added Reference http://marc.info/?l=bugtraq&m=134012830914727&w=2
    Added Reference http://marc.info/?l=bugtraq&m=134012830914727&w=2
    Added Reference http://secunia.com/advisories/49014
    Added Reference http://secunia.com/advisories/49085
    Added Reference http://support.apple.com/kb/HT5501
    Added Reference http://www.debian.org/security/2012/dsa-2465
    Added Reference http://www.kb.cert.org/vuls/id/520827
    Added Reference http://www.php.net/archive/2012.php#id2012-05-08-1
    Added Reference http://www.php.net/ChangeLog-5.php#5.4.3
    Added Reference http://www.securitytracker.com/id?1027022
    Added Reference https://bugs.php.net/bug.php?id=61910
    Added Reference https://bugs.php.net/patch-display.php?bug_id=61910&patch=cgi.diff-fix-check.patch&revision=1336093719&display=1
    Added Reference https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862
    Added Reference https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description sapi/cgi/cgi_main.c in PHP before 5.3.13 and 5.4.x before 5.4.3, when configured as a CGI script (aka php-cgi), does not properly handle query strings that contain a %3D sequence but no = (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. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1823. sapi/cgi/cgi_main.c in PHP before 5.3.13 and 5.4.x before 5.4.3, when configured as a CGI script (aka php-cgi), does not properly handle query strings that contain a %3D sequence but no = (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. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1823.
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description sapi/cgi/cgi_main.c in PHP before 5.3.13 and 5.4.x before 5.4.3, when configured as a CGI script (aka php-cgi), does not properly handle query strings that contain a %3D sequence but no = (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. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1823. sapi/cgi/cgi_main.c in PHP before 5.3.13 and 5.4.x before 5.4.3, when configured as a CGI script (aka php-cgi), does not properly handle query strings that contain a %3D sequence but no = (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. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1823.
  • CVE Modified by [email protected]

    Jan. 18, 2018

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2012/dsa-2465 [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00011.html [No Types Assigned]
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00007.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00002.html [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 11, 2012

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

89.96 }} 3.89%

score

0.99549

percentile