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TITLE:
PHPizabi "writeLogEntry()" Arbitrary PHP Code Execution

SECUNIA ADVISORY ID:
SA31127

VERIFY ADVISORY:
http://secunia.com/advisories/31127/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
PHPizabi 0.x
http://secunia.com/product/19331/

DESCRIPTION:
inphex has discovered a vulnerability in PHPizabi, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an error within the
"writeLogEntry()" function in system/v_cron_proc.php. This can be
exploited to write arbitrary data to arbitrary files via the
CONF[CRON_LOGFILE] and CONF[LOCALE_LONG_DATE_TIME] parameters.

Successful exploitation allows execution of arbitrary PHP code, but
requires that "register_globals" is enabled.

The vulnerability is confirmed in version 0.848b C1 HFP3 SF1. Other
versions may also be affected.

SOLUTION:
Set "register_globals" to Off.

Restrict access to the the system/v_cron_proc.php script (e.g. via
".htaccess").

PROVIDED AND/OR DISCOVERED BY:
inphex

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/6085

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About:
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everybody keeping their systems up to date against the latest
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