Advisory Details

October 17th, 2018

OMRON CX-Supervisor SCS File Parsing Use-After-Free Remote Code Execution Vulnerability

CVE ID	CVE-2018-17909
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	OMRON
AFFECTED PRODUCTS	CX-Supervisor
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of OMRON CX-Supervisor. 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 handling of SCS files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	OMRON has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-18-290-01
DISCLOSURE TIMELINE	2018-06-22 - Vulnerability reported to vendor 2018-10-17 - Coordinated public release of advisory 2018-10-17 - Advisory Updated
CREDIT	b0nd @garage4hackers

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