PHP *ini_restore()* Security Bypass Vulnerability

Posted on Wednesday, October 11, 2006 @ 03:06:53 CEST in Security
by Raven

SECUNIA ADVISORY ID: SA22282

VERIFY ADVISORY: http://secunia.com/advisories/22282/

CRITICAL: Less critical

IMPACT: Security Bypass

WHERE: Local system

SOFTWARE:
PHP 5.1.x - http://secunia.com/product/6796/
PHP 5.0.x - http://secunia.com/product/3919/
PHP 4.4.x - http://secunia.com/product/5768/
PHP 4.3.x - http://secunia.com/product/922/

DESCRIPTION: Maksymilian Arciemowicz has reported a vulnerability in PHP, which can be exploited by malicious, local users to bypass certain security restrictions.
The vulnerability is caused due to an error within the "ini_restore()" function, which can be exploited to reset certain options to their default value specified in php.ini. The vulnerability has been reported in versions 4.4.4 and 5.1.6. Other versions may also be affected.

SOLUTION: A fix is available in the CVS repository.

PROVIDED AND/OR DISCOVERED BY: Maksymilian Arciemowicz

ORIGINAL ADVISORY: http://securityreason.com/achievement_securityalert/42
 
 
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