Advisory Details

August 1st, 2017

Mitsubishi Electric E-Designer Symbol xSize Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-17-507
ZDI-CAN-3804

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
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 24838. 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 the processing of Symbol sections of a mpa (project specification) file. An value for the xSize specification will cause initialization to write outside the bounds of a heap buffer. An attacker can leverage this vulnerability to execute arbitrary code in the context of the Administrator.

ADDITIONAL DETAILS 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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