TITLE:
phpSysInfo "register_globals" Emulation Layer Overwrite Vulnerability

SECUNIA ADVISORY ID:
SA17441

VERIFY ADVISORY:
http://secunia.com/advisories/17441/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data, Exposure of sensitive
information

WHERE:
>From remote

SOFTWARE:
phpSysInfo 1.x
http://secunia.com/product/1844/
phpSysInfo 2.x
http://secunia.com/product/1845/

DESCRIPTION:
Christopher Kunz has reported a vulnerability in phpSysInfo, which
can be exploited by malicious people to manipulate certain
information.

The vulnerability is caused due to an error in the "register_globals"
emulation layer where certain arrays used by the system can be
overwritten. This can be exploited to execute arbitrary HTML and
script code in a user's browser session and include arbitrary files
from local resources.

The vulnerability has been reported in version 2.3 and prior.

SOLUTION:
Update to version 2.4.
http://sourceforge.net/project/showfiles.php?group_id=15

PROVIDED AND/OR DISCOVERED BY:
Christopher Kunz, Hardened PHP Project

ORIGINAL ADVISORY:
http://www.hardened-php.net/advisory_222005.81.html

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