[SA34559] SAP GUI EAI WebViewer3D ActiveX Control Buffer Overflow

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TITLE:
SAP GUI EAI WebViewer3D ActiveX Control Buffer Overflow

SECUNIA ADVISORY ID:
SA34559

VERIFY ADVISORY:
http://secunia.com/advisories/34559/

DESCRIPTION:
Will Dormann has discovered a vulnerability in SAP GUI, which can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the bundled
EAI WebViewer3D ActiveX control (webviewer3d.dll) when processing
arguments passed to the "SaveViewToSessionFile()" method. This can be
exploited to cause a stack-based buffer overflow via an overly long
argument.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in versions 6.40 LP29 and 7.10 PL5.
Other versions may also be affected.

SOLUTION:
Update to version 7.10 PL9 or later.

PROVIDED AND/OR DISCOVERED BY:
Will Dormann, CERT/CC.

ORIGINAL ADVISORY:
US-CERT VU#985449:
http://www.kb.cert.org/vuls/id/985449

SAP Note 1153794:
https://service.sap.com/sap/support/notes/1153794

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