#VU28267 Permissions, Privileges, and Access Controls in Google Android - CVE-2020-0096

Vulnerability identifier: #VU28267

Vulnerability risk: Low

CVSSv4.0: 7.1 [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:P/U:Clear]

CVE-ID: CVE-2020-0096

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: Yes

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

Vendor: Google

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists within the Framework functionality of Android due to a confused deputy in startActivities of "ActivityStartController.java". A local user can gain elevated privileges on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 8.1, 9.0

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External links
https://source.android.com/security/bulletin/2020-05-01
https://android.googlesource.com/platform/frameworks/base/+/a952197bd161ac0e03abc6acb5f48e4ec2a56e9d
https://android.googlesource.com/platform/frameworks/base/+/7fc95f204527ee079c5891d56c969668f0b35a0b

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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. However, proof of concept for this vulnerability is available.