Advisory Details

February 12th, 2018

Fuji Electric V-Server VPR File Parsing Buffer Overflow Remote Code Execution Vulnerability

ZDI-18-160
ZDI-CAN-5383

CVE ID CVE-2018-5442
CVSS SCORE 9.0, (AV:N/AC:L/Au:N/C:C/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 project files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code under the context of the current 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-18-032-01
DISCLOSURE TIMELINE
  • 2017-11-24 - Vulnerability reported to vendor
  • 2018-02-12 - Coordinated public release of advisory
  • 2018-02-12 - Advisory Updated
CREDIT Ariele Caltabiano (kimiya)
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