[SA20102] DUbanner Insecure File Upload Vulnerability

TITLE:
DUbanner Insecure File Upload Vulnerability

SECUNIA ADVISORY ID:
SA20102

VERIFY ADVISORY:
http://secunia.com/advisories/20102/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
DUware DUbanner 3.x
http://secunia.com/product/2848/

DESCRIPTION:
Dj ReMix has discovered a vulnerability in DUbanner, which can be
exploited by malicious users to compromise a vulnerable system.

Improper checks of file extensions in add.asp can be exploited to
upload arbitrary files. This can e.g. be exploited to upload and
execute arbitrary ASP code on a vulnerable system.

The vulnerability has been confirmed in version 3.1. Other versions
may also be affected.

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

Grant only trusted user access to a vulnerable application.

PROVIDED AND/OR DISCOVERED BY:
Dj ReMix

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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