CVE-2021-43556: Fatek Automation WinProladder PDW File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
First published: Tue Dec 28 2021(Updated: )
FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FATEK WinProladder | <=3.30_24518 | |
| Fatek Automation WinProladder | ||
| FATEK Automation WinProladder: Versions 3.30_24518 and prior |
Remedy
FATEK Automation has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact FATEK customer support for additional information.
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Reference Links
- https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01
- https://www.zerodayinitiative.com/advisories/ZDI-22-029/
- https://www.zerodayinitiative.com/advisories/ZDI-22-031/
- https://www.zerodayinitiative.com/advisories/ZDI-22-032/
- https://www.cisa.gov/news-events/ics-advisories/icsa-21-320-01 (Advisory)
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-320-01
Frequently Asked Questions
What is the severity of CVE-2021-43556?
The severity of CVE-2021-43556 is high, with a severity value of 7.8.
How can remote attackers exploit CVE-2021-43556?
Remote attackers can exploit CVE-2021-43556 by executing arbitrary code on affected installations of Fatek Automation WinProladder through user interaction, such as visiting a malicious page or opening a malicious file.
What is the affected software for CVE-2021-43556?
The affected software for CVE-2021-43556 is Fatek Automation WinProladder with version up to and including 3.30_24518.
Are there any known references for CVE-2021-43556?
Yes, there are references available for CVE-2021-43556. You can find them at the following URLs: [URL 1], [URL 2], [URL 3].
What is the Common Weakness Enumeration (CWE) ID for CVE-2021-43556?
The Common Weakness Enumeration (CWE) IDs for CVE-2021-43556 are 119, 787, and 121.
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- canonical/fatek automation winproladder: versions 3.30_24518 and prior