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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
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* Exploit code or links to exploit code
* Deep links

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TITLE:
PHP Easy Download "file_info/admin/save.php" PHP Code Execution

SECUNIA ADVISORY ID:
SA23002

VERIFY ADVISORY:
http://secunia.com/advisories/23002/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
PHP Easy Download 1.x
http://secunia.com/product/12674/

DESCRIPTION:
nuffsaid has discovered a vulnerability in PHP Easy Download, which
can be exploited by malicious people to compromise a vulnerable
system.

Input passed to the "description", "moreinfo", "accesses", "date",
and "filename" parameters in file_info/admin/save.php is not properly
sanitised before being written to a web-accessible file with the name
from "filename" plus the string ".0". This can be exploited to
execute arbitrary PHP code.

The vulnerability is confirmed in version 1.5. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

Restrict access to the "file_info" directory (e.g. with .htaccess).

PROVIDED AND/OR DISCOVERED BY:
nuffsaid

ORIGINAL ADVISORY:
http://www.milw0rm.com/exploits/2812

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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.

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