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TITLE:
PHP "ini_restore()" Security Bypass Vulnerability

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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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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