CVE-2020-9531: (Pwn2Own) Xiaomi Mi9 Browser Untrusted Site Redirection Remote Code Execution Vulnerability
An issue was discovered on Xiaomi MIUI V11.0.5.0.QFAEUXM devices. In the Web resources of GetApps(com.xiaomi.mipicks), the parameters passed in are read and executed. After reading the resource files, relevant components open the link of the incoming URL. Although the URL is safe and can pass security detection, the data carried in the parameters are loaded and executed. An attacker can use NFC tools to get close enough to a user's unlocked phone to cause apps to be installed and information to be leaked. This is fixed on version: 2001122.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
GetApps(com.xiaomi.mipicks)to a version that resolves this vulnerability.Fixed in 2001122 - Upgrade
Upgrade
Xiaomi MIUIto a version that resolves this vulnerability.Fixed in 2001122
Event History
Frequently Asked Questions
What is the vulnerability ID for this Xiaomi GetApps vulnerability?
The vulnerability ID for this Xiaomi GetApps vulnerability is CVE-2020-9531.
What is the severity of CVE-2020-9531?
The severity of CVE-2020-9531 is high with a CVSS score of 7.3.
Which devices are affected by CVE-2020-9531?
Xiaomi MIUI V11.0.5.0.QFAEUXM devices, Xiaomi Mi6, and Xiaomi Browser are affected by CVE-2020-9531.
How does this vulnerability work?
In the Web resources of GetApps, the parameters passed in are read and executed, allowing for privilege escalation.
Is there a fix available for CVE-2020-9531?
Yes, Xiaomi has released a patch for this vulnerability. It is recommended to update to the latest version.