CVE-2025-34124
BaseFortify
Publication date: 2025-07-16
Last updated on: 2025-07-17
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| heroes_of_might_and_magic | iii_complete | 4.0.0.0 |
| heroes_of_might_and_magic | hd_mod | 3.808 |
| heroes_of_might_and_magic | demo | 1.0.0.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
| 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?
This vulnerability is a buffer overflow in Heroes of Might and Magic III Complete and related versions caused by malicious .h3m map files. It happens when the game loads a crafted map file with an object name that triggers the overflow in the sprite name parsing logic, potentially allowing an attacker to execute arbitrary code. Exploitation requires the victim to open the malicious map file within the game.
How can this vulnerability impact me? :
If exploited, this vulnerability can allow an attacker to execute arbitrary code on your system when you open a malicious map file in the game. This could lead to unauthorized actions such as installing malware, stealing data, or taking control of your device.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, avoid opening untrusted or suspicious .h3m map files in Heroes of Might and Magic III Complete and related versions until a patch or update is released. Ensure that your game software is updated to the latest version provided by the vendor that addresses this issue. Additionally, consider restricting access to map files from unverified sources.