CVE-2012-2336: Input Validation

Q: What is the severity of CVE-2012-2336?

CVE-2012-2336 has a moderate severity level due to its potential for denial of service attacks.

Q: How do I fix CVE-2012-2336?

To fix CVE-2012-2336, upgrade PHP to version 5.3.13 or later, or 5.4.3 or later.

Q: Which versions of PHP are affected by CVE-2012-2336?

CVE-2012-2336 affects PHP versions prior to 5.3.13 and all 5.4.x versions before 5.4.3.

Q: What are the risks associated with CVE-2012-2336?

The primary risk of CVE-2012-2336 is resource consumption leading to denial of service situations.

Q: Is CVE-2012-2336 a remote exploit vulnerability?

Yes, CVE-2012-2336 can be exploited remotely by attackers to cause a denial of service.

Published May 11, 2012

Updated

sapi/cgi/cgimain.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 lack an = (equals sign) character, which allows remote attackers to cause a denial of service (resource consumption) by placing command-line options in the query string, related to lack of skipping a certain phpgetopt for the 'T' case. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1823.

Affected Software

119 affected components

PHP PHP<=5.3.12

PHP PHP=1.0

PHP PHP=2.0

PHP PHP=2.0b10

PHP PHP=3.0

PHP PHP=3.0.1

PHP PHP=3.0.2

PHP PHP=3.0.3

PHP PHP=3.0.4

PHP PHP=3.0.5

PHP PHP=3.0.6

PHP PHP=3.0.7

PHP PHP=3.0.8

PHP PHP=3.0.9

PHP PHP=3.0.10

PHP PHP=3.0.11

PHP PHP=3.0.12

PHP PHP=3.0.13

PHP PHP=3.0.14

PHP PHP=3.0.15

PHP PHP=3.0.16

PHP PHP=3.0.17

PHP PHP=3.0.18

PHP PHP=4.0-beta_4_patch1

PHP PHP=4.0-beta1

PHP PHP=4.0-beta2

PHP PHP=4.0-beta3

PHP PHP=4.0-beta4

PHP PHP=4.0.0

PHP PHP=4.0.1

PHP PHP=4.0.2

PHP PHP=4.0.3

PHP PHP=4.0.4

PHP PHP=4.0.5

PHP PHP=4.0.6

PHP PHP=4.0.7

PHP PHP=4.1.0

PHP PHP=4.1.1

PHP PHP=4.1.2

PHP PHP=4.2.0

PHP PHP=4.2.1

PHP PHP=4.2.2

PHP PHP=4.2.3

PHP PHP=4.3.0

PHP PHP=4.3.1

PHP PHP=4.3.2

PHP PHP=4.3.3

PHP PHP=4.3.4

PHP PHP=4.3.5

PHP PHP=4.3.6

PHP PHP=4.3.7

PHP PHP=4.3.8

PHP PHP=4.3.9

PHP PHP=4.3.10

PHP PHP=4.3.11

PHP PHP=4.4.0

PHP PHP=4.4.1

PHP PHP=4.4.2

PHP PHP=4.4.3

PHP PHP=4.4.4

PHP PHP=4.4.5

PHP PHP=4.4.6

PHP PHP=4.4.7

PHP PHP=4.4.8

PHP PHP=4.4.9

PHP PHP=5.0.0

PHP PHP=5.0.0-beta1

PHP PHP=5.0.0-beta2

PHP PHP=5.0.0-beta3

PHP PHP=5.0.0-beta4

PHP PHP=5.0.0-rc1

PHP PHP=5.0.0-rc2

PHP PHP=5.0.0-rc3

PHP PHP=5.0.1

PHP PHP=5.0.2

PHP PHP=5.0.3

PHP PHP=5.0.4

PHP PHP=5.0.5

PHP PHP=5.1.0

PHP PHP=5.1.1

PHP PHP=5.1.2

PHP PHP=5.1.3

PHP PHP=5.1.4

PHP PHP=5.1.5

PHP PHP=5.1.6

PHP PHP=5.2.0

PHP PHP=5.2.1

PHP PHP=5.2.2

PHP PHP=5.2.3

PHP PHP=5.2.4

PHP PHP=5.2.5

PHP PHP=5.2.6

PHP PHP=5.2.7

PHP PHP=5.2.8

PHP PHP=5.2.9

PHP PHP=5.2.10

PHP PHP=5.2.11

PHP PHP=5.2.12

PHP PHP=5.2.13

PHP PHP=5.2.14

PHP PHP=5.2.15

PHP PHP=5.2.16

PHP PHP=5.2.17

PHP PHP=5.3.0

PHP PHP=5.3.1

PHP PHP=5.3.2

PHP PHP=5.3.3

PHP PHP=5.3.4

PHP PHP=5.3.5

PHP PHP=5.3.6

PHP PHP=5.3.7

PHP PHP=5.3.8

PHP PHP=5.3.9

PHP PHP=5.3.10

PHP PHP=5.3.11

PHP PHP=5.4.0

PHP PHP=5.4.0-beta2

PHP PHP=5.4.1

PHP PHP=5.4.2

Event History

May 11, 2012

CVE Published

via MITRE·10:00 AM

Data Sourced

via MITRE·10:00 AM

Description

Frequently Asked Questions

What is the severity of CVE-2012-2336?

CVE-2012-2336 has a moderate severity level due to its potential for denial of service attacks.

How do I fix CVE-2012-2336?

To fix CVE-2012-2336, upgrade PHP to version 5.3.13 or later, or 5.4.3 or later.

Which versions of PHP are affected by CVE-2012-2336?