Advisory Details

April 9th, 2020

Fuji Electric V-Server Lite VPR File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-20-454
ZDI-CAN-10137

CVE ID
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 V-Server Lite
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fuji Electric V-Server 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 VPR files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

Fixed in V-Server 4.0.7.0 and Lite V4.0.9.0.


DISCLOSURE TIMELINE
  • 2020-02-18 - Vulnerability reported to vendor
  • 2020-04-09 - Coordinated public release of advisory
CREDIT kimiya
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