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Vigil@nce: SAP GUI, file creation via WebViewer3D.dll

September 2009 by Vigil@nce

An attacker can use the WebViewer3D.dll ActiveX of SAP GUI, in
order to create a file on computers of victims displaying a
malicious HTML page.

Severity: 1/4

Consequences: data creation/edition

Provenance: document

Means of attack: 2 attacks

Ability of attacker: beginner (1/4)

Confidence: unique source (2/5)

Diffusion of the vulnerable configuration: high (3/3)

Number of vulnerabilities in this bulletin: 2

Creation date: 28/09/2009

IMPACTED PRODUCTS

 SAP ERP
 SAP NetWeaver

DESCRIPTION OF THE VULNERABILITY

The SAP GUI for Windows product installs the WebViewer3D.dll
ActiveX, which can be called from user’s web browser. Two methods
of this ActiveX are vulnerable.

The SaveToSessionFile() method accepts to create the session file
at the location indicated by the attacker. [grav:1/4]

The SaveViewToSessionFile() method accepts to create the session
file at the location indicated by the attacker. [grav:1/4]

An attacker can therefore use the WebViewer3D.dll ActiveX of SAP
GUI, in order to create a file on computers of victims displaying
a malicious HTML page.

CHARACTERISTICS

Identifiers: DSECRG-09-043, DSECRG-09-044, VIGILANCE-VUL-9052

http://vigilance.fr/vulnerability/SAP-GUI-file-creation-via-WebViewer3D-dll-9052


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