CVE-2021-43556
published 2021-12-28CVE-2021-43556: 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…
PriorityP341high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
2.09%
79.3th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| fatek | winproladder | <= 3.30_24518 | — |
| fatek_automation | winproladder | All – 3.30_24518 | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
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CISA ICS
FATEK Automation WinProladder
cisa_ics·2022-01-19·CVSS 7.8
[HIGH] FATEK Automation WinProladder
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
FATEK Automation WinProladder
Last RevisedJanuary 19, 2022
Alert CodeICSA-21-320-01
## 1. EXECUTIVE SUMMARY
- CVSS v3 7.8
- ATTENTION: Low attack complexity
- Vendor: FATEK Automation
- Equipment: WinProladder
- Vulnerabilities: Out-of-bounds Write, Stack-based Buffer Overflow
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow for arbitrary code execution.
## 3. TECHNICAL DETAILS
## 3.1 AFFECTED PRODUCTS
The following versions of WinProladder, a PLC programming software, are affected:
- WinProladder: Versions 3.30_24518 and prior
## 3.2
GHSA
GHSA-2rvj-jqm9-chgx: FATEK WinProladder Versions 3
ghsa_unreviewed·2021-12-29
CVE-2021-43556 [HIGH] CWE-121 GHSA-2rvj-jqm9-chgx: FATEK WinProladder Versions 3
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01https://www.zerodayinitiative.com/advisories/ZDI-22-029/https://www.zerodayinitiative.com/advisories/ZDI-22-031/https://www.zerodayinitiative.com/advisories/ZDI-22-032/https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01https://www.zerodayinitiative.com/advisories/ZDI-22-029/https://www.zerodayinitiative.com/advisories/ZDI-22-031/https://www.zerodayinitiative.com/advisories/ZDI-22-032/
2021-12-28
Published