Advisory Details

October 28th, 2021

Fuji Electric Tellus Lite V-Simulator V8 File Parsing Uninitialized Pointer Remote Code Execution Vulnerability

ZDI-21-1269
ZDI-CAN-13817

CVE ID CVE-2021-38413
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Fuji Electric
AFFECTED PRODUCTS Tellus Lite
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fuji Electric Tellus Lite. 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 V8 files in the V-Simulator module. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in 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://us-cert.cisa.gov/ics/advisories/icsa-21-299-01
DISCLOSURE TIMELINE
  • 2021-05-19 - Vulnerability reported to vendor
  • 2021-10-28 - Coordinated public release of advisory
CREDIT kimiya
BACK TO ADVISORIES