(Pwn2Own) Xiaomi Mi9 Browser Untrusted Site Redirection Remote Code Execution Vulnerability
March 12th, 2020
Vulnerability Details
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Xiaomi Mi9 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 Xiaomi GetApps webview. By manipulating HTML, an attacker can force a page redirection. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
Fixed in v 2001122
Disclosure Timeline
- 2019-11-19 - Vulnerability reported to vendor
- 2020-03-12 - Coordinated public release of advisory
Credit
@FSecureLabs