Permissions, Privileges, and Access Controls in Google, Google Android

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU35800

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-2019-2023

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

In ServiceManager::add function in the hardware service manager, there is an insecure permissions check based on the PID of the caller. This could allow an app to add or replace a HAL service with its own service, gaining code execution in a privileged process.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9Android ID: A-121035042Upstream kernel

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 9.0

CPE2.3

• cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

External links

https://source.android.com/security/bulletin/2019-03-01

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.