Unrated severityNVD Advisory· Published May 11, 2012· Updated Jun 16, 2026
CVE-2012-2311
CVE-2012-2311
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
121cpe:2.3:a:php:php:*:*:*:*:*:*:*:*+ 118 more
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*range: <=5.3.12
- cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:4.4.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.2.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.4.1:*:*:*:*:*:*:*
- (no CPE)range: <5.3.13 and <5.4.3
- osv-coords2 versionspkg:rpm/opensuse/php5&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/php7&distro=openSUSE%20Tumbleweed
< 5.6.28-1.1+ 1 more
- (no CPE)range: < 5.6.28-1.1
- (no CPE)range: < 7.0.14-1.4
Patches
Vulnerability mechanics
References
17- bugs.php.net/bug.phpnvdVendor Advisory
- www.kb.cert.org/vuls/id/520827nvdUS Government Resource
- eindbazen.net/2012/05/php-cgi-advisory-cve-2012-1823/nvd
- lists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2012-05/msg00002.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2012-05/msg00007.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2012-05/msg00011.htmlnvd
- marc.infonvd
- secunia.com/advisories/49014nvd
- secunia.com/advisories/49085nvd
- support.apple.com/kb/HT5501nvd
- www.debian.org/security/2012/dsa-2465nvd
- www.php.net/ChangeLog-5.phpnvd
- www.php.net/archive/2012.phpnvd
- www.securitytracker.com/idnvd
- bugs.php.net/patch-display.phpnvd
- h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplaynvd
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