CVE-2019-25559
Denial of Service via Buffer Overflow in SpotPaltalk 1.1.5 Registration
Publication date: 2026-03-21
Last updated on: 2026-04-16
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nsasoft | spotpaltalk | 1.1.5 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-1260 | The product allows address regions to overlap, which can result in the bypassing of intended memory protection. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2019-25559 is a denial of service (DoS) vulnerability in SpotPaltalk version 1.1.5. It occurs in the registration code input field called the Name/Key field. Local attackers can cause the application to crash by submitting an excessively long string—specifically, a buffer of 1000 characters—into this field during registration and then clicking the OK button.
This vulnerability is due to improper handling of input length, which leads to a buffer overflow condition that crashes the application.
How can this vulnerability impact me? :
The primary impact of this vulnerability is a denial of service, meaning that an attacker can crash the SpotPaltalk application on a local machine by exploiting the input field flaw.
This crash disrupts the availability of the application, potentially causing inconvenience or interruption of service for legitimate users.
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 on the SpotPaltalk 1.1.5 application. A proof-of-concept exploit involves creating a buffer of 1000 characters and pasting it into the Name/Key registration field.'}, {'type': 'list_item', 'content': "Create a file containing 1000 'A' characters (e.g., using a Python script to generate '\\x41' * 1000)."}, {'type': 'list_item', 'content': 'Copy the contents of this file to the clipboard.'}, {'type': 'list_item', 'content': "Open SpotPaltalk, navigate to 'Register' > 'Enter Registration Code...'."}, {'type': 'list_item', 'content': 'Paste the 1000-character buffer into the Name/Key field.'}, {'type': 'list_item', 'content': 'Click the OK button and observe if the application crashes, indicating the presence of the vulnerability.'}] [1, 2]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include avoiding the use of SpotPaltalk version 1.1.5 or earlier until a patch or update is available.
Limit local user access to the application to prevent exploitation by local attackers.
Educate users not to paste or enter excessively long strings into the Name/Key registration field.
Monitor for application crashes related to the registration process as an indicator of attempted exploitation.