ZDI-19-367: (Pwn2Own) Xiaomi Mi6 Browser CalculateInstanceSizeHelper Integer Overflow 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 handling of the CalculateInstanceSizeHelper function. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-19-367?
The severity of ZDI-19-367 is considered critical due to the potential for remote code execution.
How do I fix ZDI-19-367?
To fix ZDI-19-367, users should update their Xiaomi Mi6 Browser to the latest version provided by Xiaomi.
What type of attack does ZDI-19-367 involve?
ZDI-19-367 involves remote code execution through a malicious web page or file requiring user interaction.
What software is affected by ZDI-19-367?
The vulnerability ZDI-19-367 specifically affects the Xiaomi Mi6 Browser.
Is user interaction required to exploit ZDI-19-367?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file for ZDI-19-367 to be exploited.
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- collector/zdi-advisory
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- alias/ZDI-19-367
- alias/ZDI-CAN-7482
- alias/CVE-2018-6065
- agent/software-canonical-lookup
- agent/severity
- agent/references
- agent/weakness
- agent/title
- agent/softwarecombine
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- vendor/xiaomi
- canonical/xiaomi browser