ZDI-21-684: Microsoft Paint 3D STL File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Paint 3D. 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 STL files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process at low integrity.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Paint 3D |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Microsoft Paint 3D vulnerability?
The vulnerability ID for this Microsoft Paint 3D vulnerability is ZDI-21-684.
What is the severity of ZDI-21-684?
The severity of ZDI-21-684 is rated as medium with a severity value of 6.6.
How does this vulnerability allow remote code execution?
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Paint 3D.
Is user interaction required to exploit this vulnerability?
Yes, user interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability in the Microsoft Security Response Center (MSRC) update guide and the Zero Day Initiative advisory.
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