Advisory Details

August 1st, 2017

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

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
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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