Advisory Details

September 12th, 2018

Fuji Electric V-Server VPR File Parsing Integer Underflow Remote Code Execution Vulnerability

CVE ID	CVE-2018-14813
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Fuji Electric
AFFECTED PRODUCTS	V-Server
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Fuji Electric V-Server. 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 parsing of a VPR file. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code under the context of the V-Server process.
ADDITIONAL DETAILS	Fuji Electric has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-18-254-01
DISCLOSURE TIMELINE	2018-03-21 - Vulnerability reported to vendor 2018-09-12 - Coordinated public release of advisory 2018-09-12 - Advisory Updated
CREDIT	Steven Seeley (mr_me) of Source Incite

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