// For flags

CVE-2021-38442

FATEK Automation WinProladder

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in a heap-corruption condition. An attacker could leverage this vulnerability to execute code in the context of the current process.

FATEK Automation WinProladder versiones 3.30 y anteriores, no comprueba correctamente los datos suministrados por el usuario cuando analiza los archivos de proyecto, que podría resultar en una condición de corrupción de la pila. Un atacante podría aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fatek Automation WinProladder. 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 PDW files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: xina1i and Natnael Samson (@NattiSamson), working with Trend Micro’s Zero Day Initiative, reported these vulnerabilities to CISA.
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-10 CVE Reserved
  • 2021-10-14 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-11-04 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787: Out-of-bounds Write
CAPEC
References (1)
URL Tag Source
https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06 Third Party Advisory
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Fatek
Search vendor "Fatek"
 Winproladder
Search vendor "Fatek" for product "Winproladder"
 <= 3.30
Search vendor "Fatek" for product "Winproladder" and version " <= 3.30"
-
Affected