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TITLE:
DGNews "upprocess.php" File Upload Vulnerability

SECUNIA ADVISORY ID:
SA20340

VERIFY ADVISORY:
http://secunia.com/advisories/20340/

CRITICAL:
Less critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
DGNews 1.x
http://secunia.com/product/10226/

DESCRIPTION:
r0t has discovered a vulnerability in DGNews, which can be exploited
by malicious users to compromise a vulnerable system.

Due to improper checks of file extensions in admin/upprocess.php it
is possible to upload arbitrary files to the "img" directory. This
can e.g. be exploited to upload and execute malicious PHP scripts.

Successful exploitation requires access to the administration
section.

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

SOLUTION:
Grant only trusted users access to the administration section.

Edit the source code to ensure that file extensions are properly
checked.

PROVIDED AND/OR DISCOVERED BY:
r0t

ORIGINAL ADVISORY:
http://pridels.blogspot.com/2006/05/dgnews-v-15-file-upload-vuln.html

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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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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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