Advisory Details

July 11th, 2017

Fatek Automation PLC Ethernet Module Configuration Tool Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2017-6023
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Fatek Automation
AFFECTED PRODUCTS	PLC Ethernet Module Configuration Tool
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Fatek Automation PLC Ethernet Module Configuration Tool. 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 ether_cfg.exe. The issue lies in the failure to properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute arbitrary code under the context of the process.
ADDITIONAL DETAILS	Fatek Automation has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-17-073-01
DISCLOSURE TIMELINE	2016-07-19 - Vulnerability reported to vendor 2017-07-11 - Coordinated public release of advisory
CREDIT	Anonymous

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