Advisory Details

August 1st, 2017

Mitsubishi Electric E-Designer TxStaticString Col Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-17-506
ZDI-CAN-3759

CVE ID CVE-2017-9634
CVSS SCORE 9.3, (AV:N/AC:M/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS Mitsubishi Electric
AFFECTED PRODUCTS E-Designer
TIPPINGPOINT™ IPS CUSTOMER PROTECTION TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 24789. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mitsubishi Electric E-Designer. 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 processing of TxStaticString sections of a mpa (project specification) file. An out-of-bounds value for the column specification will cause a user-supplied string to be written to an arbitrary memory address. An attacker can leverage this vulnerability to execute arbitrary code in the context of the Administrator.

VENDOR RESPONSE Mitsubishi Electric has issued an update to correct this vulnerability. More details can be found at:
https://ics-cert.us-cert.gov/advisories/ICSA-17-213-01
DISCLOSURE TIMELINE
  • 2016-05-31 - Vulnerability reported to vendor
  • 2017-08-01 - Coordinated public release of advisory
CREDIT rgod
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