#VU34478 Missing Authorization in Google Android - CVE-2018-21047

Vulnerability identifier: #VU34478

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-21047

CWE-ID: CWE-862

Exploitation vector: Network

Exploit availability: No

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

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

An issue was discovered on Samsung mobile devices with O(8.x) software. There is a Factory Reset Protection (FRP) bypass via the voice assistant because Internet access begins before the Setup Wizard finishes. The Samsung ID is SVE-2018-12894 (November 2018).

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 8.1

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External links
https://security.samsungmobile.com/securityUpdate.smsb

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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