CVE-2019-6743: (Pwn2Own) Xiaomi Mi6 Browser WebAssembly.Instance Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Mon Jun 03 2019(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Xiaomi Mi6 Browser prior to 10.4.0. 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. Was ZDI-CAN-7466.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| mi Mi6 Browser | <10.4.0 | |
| Xiaomi Browser |
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Reference Links
Frequently Asked Questions
What is CVE-2019-6743?
CVE-2019-6743 is a vulnerability that allows remote attackers to execute arbitrary code on vulnerable installations of Xiaomi Mi6 Browser prior to 10.4.0.
How severe is CVE-2019-6743?
CVE-2019-6743 has a severity score of 8.8 (high).
How can CVE-2019-6743 be exploited?
To exploit CVE-2019-6743, the attacker would require the target to visit a malicious page or open a malicious file.
Which software versions are affected by CVE-2019-6743?
Vulnerable installations of Xiaomi Mi6 Browser prior to version 10.4.0 are affected by CVE-2019-6743.
Is user interaction required to exploit CVE-2019-6743?
Yes, user interaction is required to exploit CVE-2019-6743.
Are there any references for CVE-2019-6743?
Yes, you can find more information about CVE-2019-6743 at the following link: [https://www.zerodayinitiative.com/advisories/ZDI-19-366/](https://www.zerodayinitiative.com/advisories/ZDI-19-366/)
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