ZDI-21-421: Microsoft Windows Raw Image Extension CR3 File Parsing Type Confusion Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Raw Image Extension. 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 CR3 images. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current user at low integrity.
| Affected Software | Affected Version | How to fix |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-421?
The severity of ZDI-21-421 is classified as critical due to its potential for remote code execution.
How do I fix ZDI-21-421?
To fix ZDI-21-421, users should update the Microsoft Raw Image Extension to the latest version provided by Microsoft.
What types of attacks can exploit ZDI-21-421?
ZDI-21-421 can be exploited through malicious web pages or files that the user interacts with.
Who is affected by ZDI-21-421?
ZDI-21-421 affects installations of Microsoft Raw Image Extension.
Is user interaction required for exploiting ZDI-21-421?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file to exploit ZDI-21-421.
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