ZDI-19-366: (Pwn2Own) Xiaomi Mi6 Browser WebAssembly.Instance Out-Of-Bounds Write Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Xiaomi Mi6 Browser. 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 WebAssembly.Instance method. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xiaomi Browser |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-19-366?
The severity of ZDI-19-366 is considered high due to the potential for remote code execution.
How do I fix ZDI-19-366?
To mitigate ZDI-19-366, update the Xiaomi Mi6 Browser to the latest version as soon as it is available.
Who is affected by ZDI-19-366?
Users of the Xiaomi Mi6 Browser are affected by ZDI-19-366.
What type of attack is associated with ZDI-19-366?
ZDI-19-366 is associated with remote code execution attacks that require user interaction.
Are there any known exploits for ZDI-19-366?
At this time, there are no publicly known exploits for ZDI-19-366.
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