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TITLE:
Pakupaku CMS File Upload and Local File Inclusion

SECUNIA ADVISORY ID:
SA26598

VERIFY ADVISORY:
http://secunia.com/advisories/26598/

CRITICAL:
Highly critical

IMPACT:
Exposure of system information, Exposure of sensitive information,
System access

WHERE:
>From remote

SOFTWARE:
Pakupaku CMS 0.x
http://secunia.com/product/15551/

DESCRIPTION:
GoLd_M has discovered two vulnerabilities in Pakupaku CMS, which can
be exploited by malicious people to disclose sensitive information or
to compromise a vulnerable system.

1) The index.php script fails to validate the extension of an
uploaded file. This can be exploited to upload files with arbitrary
extensions (e.g. ".php") and execute arbitrary PHP code on the
server.

2) Input passed to the "page" parameter in index.php is not properly
verified before being used to include files. This can be exploited to
include arbitrary files from local resources.

Successful exploitation of this vulnerability with arbitrary file
extensions requires that "magic_quotes_gpc" is disabled.

The vulnerabilities are confirmed in version 0.4. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified.
Implement whitelisting functionality that only lets people upload
files with certain extensions.

Use another product.

PROVIDED AND/OR DISCOVERED BY:
GoLd_M a.k.a. Mahmood_ali

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4341

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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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http://secunia.com/about_secunia_advisories/


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