#VU47440 Improper access control in Google Android - CVE-2020-0419

Vulnerability identifier: #VU47440

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-0419

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the Android Framework does not set referrerUri on SessionInfo for non-owners. A local user can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Android: 8.1, 9.0, 10 - 11

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External links
https://source.android.com/security/bulletin/2020-10-01
https://android.googlesource.com/platform/frameworks/base/+/6bc126b040718d9252ec72d2dd5207c7a4913238

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.