#VU34998 Input validation error in Google Android - CVE-2019-2231

Vulnerability identifier: #VU34998

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-2231

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

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

Vendor: Google

Description

The vulnerability allows a local privileged user to gain access to sensitive information.

In Blob::Blob of blob.cpp, there is a possible unencrypted master key due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10Android ID: A-141955555

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 9.0, 10

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External links
https://source.android.com/security/bulletin/2019-12-01

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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.