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TITLE:
webXell Editor File Upload Vulnerability

SECUNIA ADVISORY ID:
SA30948

VERIFY ADVISORY:
http://secunia.com/advisories/30948/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
webXell Editor 0.x
http://secunia.com/product/19266/

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

The vulnerability is caused due to the upload_pictures.php script
failing to validate the extensions of uploaded files. This can be
exploited to upload files with arbitrary extensions (e.g. ".php") and
execute arbitrary PHP code on the server.

The vulnerability is confirmed in version 0.1.3. Other versions may
also be affected.

SOLUTION:
Implement whitelisting based on file extensions in uploaded files.

PROVIDED AND/OR DISCOVERED BY:
CWH Underground

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/6015

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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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Please Note:
Secunia recommends that you verify all advisories you receive by
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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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