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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
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

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TITLE:
GreenBeast CMS File Upload And Logon Bypass

SECUNIA ADVISORY ID:
SA22769

VERIFY ADVISORY:
http://secunia.com/advisories/22769/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, System access

WHERE:
>From remote

SOFTWARE:
GreenBeast CMS 1.x
http://secunia.com/product/12516/

DESCRIPTION:
skulmatic has reported two vulnerabilities in GreenBeast CMS, which
potentially can be exploited by malicious people to compromise a
vulnerable system.

The vulnerabilities are caused due to gbcms_php_files/up_loader.php
both failing to verify that the user is logged on and failing 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 without requiring a valid logon.

The vulnerabilities are reported in version 1.3. Other versions may
also be affected.

SOLUTION:
Restrict access to gbcms_php_files/up_loader.php and ensure that
input is properly validated.

PROVIDED AND/OR DISCOVERED BY:
skulmatic

ORIGINAL ADVISORY:
http://newhack.org/advisories/GreenBeastCMS.txt

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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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