Advisory Details

June 26th, 2018

Delta Industrial Automation COMMGR AHSIM_5x1 Simulator Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2018-10594
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Delta Industrial Automation
AFFECTED PRODUCTS	COMMGR
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Delta Industrial Automation COMMGR. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of TCP packets sent to the AHSIM 5x1 Simulator. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code under the context of the COMMGR process.
ADDITIONAL DETAILS	Delta Industrial Automation has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-18-172-01
DISCLOSURE TIMELINE	2018-02-09 - Vulnerability reported to vendor 2018-06-26 - Coordinated public release of advisory 2018-06-26 - Advisory Updated
CREDIT	Anonymous

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