PT-2021-15161 · Fatek · Fvdesigner

Francis Provencher + 1 · Published 2021-02-26 · Updated 2021-03-09 · CVE-2021-22666

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Fatek FvDesigner versions 1.5.76 and prior

Description The issue is related to a stack-based buffer overflow that occurs while processing project files, allowing an attacker to craft a special project file that may permit arbitrary code execution.

Recommendations For Fatek FvDesigner versions 1.5.76 and prior, consider avoiding the use of potentially malicious project files until a patch is available. As a temporary workaround, restrict the processing of project files from untrusted sources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2021-22666

ZDI-21-260

Affected Products

Fvdesigner

References · 5

• https://zerodayinitiative.com/advisories/ZDI-21-260 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22666 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22666 · Security Note
• https://us-cert.cisa.gov/ics/advisories/icsa-21-056-02 · Note
• https://t.me/cibsecurity/24403 · Telegram Post