CVE-2020-37198
Denial of Service via Buffer Overflow in Duplicate Cleaner Pro
Publication date: 2026-02-11
Last updated on: 2026-02-12
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| digitalvolcano | duplicate_cleaner_pro | 4.1.3 |
| duplicate_cleaner | duplicate_cleaner_pro | 4.1.3 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
[{'type': 'paragraph', 'content': 'Duplicate Cleaner Pro version 4.1.3 contains a denial of service vulnerability that allows an attacker to crash the application by injecting an oversized buffer into the license key field.'}, {'type': 'paragraph', 'content': 'Specifically, an attacker can generate a payload of 6000 characters and paste it into the license activation field, which causes the application to crash when the activation is attempted.'}, {'type': 'paragraph', 'content': "This vulnerability exploits the application's insufficient input validation or buffer handling in the license key field."}] [1]
How can this vulnerability impact me? :
This vulnerability can cause a denial of service condition by crashing the Duplicate Cleaner Pro application.
An attacker can disrupt normal use of the software by forcing it to crash through the injection of a large payload into the license key field.
This may lead to loss of productivity or interruption of tasks that depend on the application.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
[{'type': 'paragraph', 'content': 'This vulnerability can be detected by attempting to reproduce the denial of service condition using the known exploit method. Specifically, a malicious payload consisting of 6000 "A" characters can be generated and pasted into the license key field of Duplicate Cleaner Pro 4.1.3 to observe if the application crashes.'}, {'type': 'paragraph', 'content': 'A practical detection approach involves running a Python script to create a file named "Evil.txt" containing the 6000-character payload, then copying its content and pasting it into the license key field of the application to see if it crashes.'}, {'type': 'paragraph', 'content': 'There are no specific network commands mentioned for detection, as this is an application-level vulnerability triggered by input to the license key field.'}] [1]
What immediate steps should I take to mitigate this vulnerability?
I don't know