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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:
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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