CVE-2013-3735: Input Validation

First published: Fri May 31 2013(Updated: )

** DISPUTED ** The Zend Engine in PHP before 5.4.16 RC1, and 5.5.0 before RC2, does not properly determine whether a parser error occurred, which allows context-dependent attackers to cause a denial of service (memory consumption and application crash) via a crafted function definition, as demonstrated by an attack within a shared web-hosting environment. NOTE: the vendor's http://php.net/security-note.php page says "for critical security situations you should be using OS-level security by running multiple web servers each as their own user id."

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
PHP PHP	<=5.4.15
PHP PHP	=5.4.0
PHP PHP	=5.4.1
PHP PHP	=5.4.2
PHP PHP	=5.4.3
PHP PHP	=5.4.4
PHP PHP	=5.4.5
PHP PHP	=5.4.6
PHP PHP	=5.4.7
PHP PHP	=5.4.8
PHP PHP	=5.4.9
PHP PHP	=5.4.10
PHP PHP	=5.4.11
PHP PHP	=5.4.12
PHP PHP	=5.4.12-rc1
PHP PHP	=5.4.12-rc2
PHP PHP	=5.4.13
PHP PHP	=5.4.13-rc1
PHP PHP	=5.4.14
PHP PHP	=5.4.14-rc1
PHP PHP	<=5.5.0
PHP PHP	=5.5.0-alpha1
PHP PHP	=5.5.0-alpha2
PHP PHP	=5.5.0-alpha3
PHP PHP	=5.5.0-alpha4
PHP PHP	=5.5.0-alpha5
PHP PHP	=5.5.0-alpha6
PHP PHP	=5.5.0-beta1
PHP PHP	=5.5.0-beta2
PHP PHP	=5.5.0-beta3
PHP PHP	=5.5.0-beta4
	<=5.4.15
	=5.4.0
	=5.4.1
	=5.4.2
	=5.4.3
	=5.4.4
	=5.4.5
	=5.4.6
	=5.4.7
	=5.4.8
	=5.4.9
	=5.4.10
	=5.4.11
	=5.4.12
	=5.4.12-rc1
	=5.4.12-rc2
	=5.4.13
	=5.4.13-rc1
	=5.4.14
	=5.4.14-rc1
	<=5.5.0
	=5.5.0-alpha1
	=5.5.0-alpha2
	=5.5.0-alpha3
	=5.5.0-alpha4
	=5.5.0-alpha5
	=5.5.0-alpha6
	=5.5.0-beta1
	=5.5.0-beta2
	=5.5.0-beta3
	=5.5.0-beta4

Remedy

https://github.com/php/php-src/commit/fb58e69a84f4fde603a630d2c9df2fa3be16d846

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