CVE-2012-2311

high
Published 2012-05-11 · Modified 2026-04-29
CVSS v3
CVSS v2
7.5
VIR risk
7.5

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://bugs.php.net/bug.php?id=61910

Application impact

VendorProductVersionsFixed
php phpphp{"endIncluding":"5.3.12"}
php phpphp1.0
php phpphp2.0
php phpphp2.0b10
php phpphp3.0
php phpphp3.0.1
php phpphp3.0.2
php phpphp3.0.3
php phpphp3.0.4
php phpphp3.0.5
php phpphp3.0.6
php phpphp3.0.7
php phpphp3.0.8
php phpphp3.0.9
php phpphp3.0.10
php phpphp3.0.11
php phpphp3.0.12
php phpphp3.0.13
php phpphp3.0.14
php phpphp3.0.15
php phpphp3.0.16
php phpphp3.0.17
php phpphp3.0.18
php phpphp4.0
php phpphp4.0.0
php phpphp4.0.1
php phpphp4.0.2
php phpphp4.0.3
php phpphp4.0.4
php phpphp4.0.5
php phpphp4.0.6
php phpphp4.0.7
php phpphp4.1.0
php phpphp4.1.1
php phpphp4.1.2
php phpphp4.2.0
php phpphp4.2.1
php phpphp4.2.2
php phpphp4.2.3
php phpphp4.3.0
php phpphp4.3.1
php phpphp4.3.2
php phpphp4.3.3
php phpphp4.3.4
php phpphp4.3.5
php phpphp4.3.6
php phpphp4.3.7
php phpphp4.3.8
php phpphp4.3.9
php phpphp4.3.10
php phpphp4.3.11
php phpphp4.4.0
php phpphp4.4.1
php phpphp4.4.2
php phpphp4.4.3
php phpphp4.4.4
php phpphp4.4.5
php phpphp4.4.6
php phpphp4.4.7
php phpphp4.4.8
php phpphp4.4.9
php phpphp5.0.0
php phpphp5.0.1
php phpphp5.0.2
php phpphp5.0.3
php phpphp5.0.4
php phpphp5.0.5
php phpphp5.1.0
php phpphp5.1.1
php phpphp5.1.2
php phpphp5.1.3
php phpphp5.1.4
php phpphp5.1.5
php phpphp5.1.6
php phpphp5.2.0
php phpphp5.2.1
php phpphp5.2.2
php phpphp5.2.3
php phpphp5.2.4
php phpphp5.2.5
php phpphp5.2.6
php phpphp5.2.7
php phpphp5.2.8
php phpphp5.2.9
php phpphp5.2.10
php phpphp5.2.11
php phpphp5.2.12
php phpphp5.2.13
php phpphp5.2.14
php phpphp5.2.15
php phpphp5.2.16
php phpphp5.2.17
php phpphp5.3.0
php phpphp5.3.1
php phpphp5.3.2
php phpphp5.3.3
php phpphp5.3.4
php phpphp5.3.5
php phpphp5.3.6
php phpphp5.3.7
php phpphp5.3.8
php phpphp5.3.9
php phpphp5.3.10
php phpphp5.3.11
php phpphp5.4.0
php phpphp5.4.1
php phpphp5.4.2

References

CWEs

CWE-89

Verify integrity in audit chain (admin only). AS-IS.