CVE-2019-6743

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.50% Top 20%
Third-Party Advisory zerodayinitiative.com
Affected: Xiaomi Browser
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-19-366/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-6743?
CVE-2019-6743 has been scored as a high severity vulnerability.
How to fix CVE-2019-6743?
To fix CVE-2019-6743, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-6743 being actively exploited in the wild?
It is possible that CVE-2019-6743 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-6743?
CVE-2019-6743 affects Xiaomi Browser.
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