Advisory Details

September 12th, 2018

Fuji Electric V-Server VPR File Parsing CObArray Use-After-Free Remote Code Execution Vulnerability

ZDI-18-1010
ZDI-CAN-5877

CVE ID CVE-2018-14809
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 validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the 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
  • 2018-03-08 - 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
BACK TO ADVISORIES