(Pwn2Own) Xiaomi GetApps Intent Privilege Escalation Vulnerability

March 12th, 2020
ZDI-20-288 ZDI-CAN-9657

CVE ID

CVE-2020-9531

CVSS Score

5.3 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected Vendors

Xiaomi

Affected Products

Mi6

Vulnerability Details

This vulnerability allows local attackers to escalate privileges on affected installations of Xiaomi GetApps. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the handling of intents. The issue lies in the ability to send an intent that would not otherwise be permitted. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the application.

Additional Details

Fixed in v 2001122


Disclosure Timeline

  • 2019-11-07 - Vulnerability reported to vendor
  • 2020-03-12 - Coordinated public release of advisory

Credit

@FSecureLabs

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