GE Proficy Historian KeyHelp ActiveX LaunchTriPane Remote Code Execution Vulnerability

August 29th, 2012
ZDI-12-169 ZDI-CAN-1491

CVE ID

CVE-2012-2516

CVSS Score

7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors

GE

Affected Products

Proficy Historian

Vulnerability Details


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of GE Proficy Historian. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the KeyHelp.ocx ActiveX control. The control contains a LaunchTriPane function that allows launching of the HTML Help executable (hh.exe) with customized command line parameters. By using the -decompile switch, an attacker can specify the folder to decompile to and a UNC path to a specially crafted .chm file. The attacker can utilize this vulnerability to execute remote code under the context of the process.

Additional Details

GE has issued an update to correct this vulnerability. More details can be found at:
http://support.ge-ip.com/support/index?page=kbchannel&id=S:KB14863

Disclosure Timeline

  • 2012-01-24 - Vulnerability reported to vendor
  • 2012-08-29 - Coordinated public release of advisory

Credit

Andrea Micalizzi aka rgod

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