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TITLE:
Data Dynamics ActiveReports ARViewer2 ActiveX Control Insecure
Methods

SECUNIA ADVISORY ID:
SA31894

VERIFY ADVISORY:
http://secunia.com/advisories/31894/

CRITICAL:
Highly critical

IMPACT:
Manipulation of data, System access

WHERE:
>From remote

SOFTWARE:
Data Dynamics ActiveReports 2.x
http://secunia.com/advisories/product/14851/

DESCRIPTION:
Tan Chew Keong has reported some vulnerabilities in Data Dynamics
ActiveReports, which can be exploited by malicious people to
overwrite arbitrary files and compromise a user's system.

The vulnerabilities are caused due to the
DDActiveReportsViewer2.ARViewer2 (ARVIEW2.OCX) ActiveX control
including the insecure methods "Pages.Save()", "PrintReport()", and
"Canvas.Save()", which write to a file specified as an argument. This
can be exploited to overwrite and corrupt arbitrary files on the
system in the context of the currently logged-on user. The
"Canvas.Save()" method further allows writing user specified data
into arbitrary files.

Successful exploitation requires that a user is e.g. tricked into
visiting a malicious website.

The vulnerabilities are reported in Data Dynamics ActiveReport
Professional Edition Build 2.5.0.1314 (ARView2.ocx version
2.5.0.1314). Other versions may also be affected.

SOLUTION:
Set the kill-bit for the affected ActiveX control.

PROVIDED AND/OR DISCOVERED BY:
Tan Chew Keong, vuln.sg

ORIGINAL ADVISORY:
http://vuln.sg/ddarviewer2501314-en.html

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