Multiple vulnerabilities have been discovered in Google Android OS

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Android Security Bulletin—February 2021

Technical Summary

Multiple vulnerabilities have been discovered in Google Android OS, the most severe of which could allow for remote code execution within the context of a privileged process. 2021-02-01 security patch level vulnerability details.

In the sections below, we provide details for each of the security vulnerabilities that apply to the 2021-02-01 patch level. Vulnerabilities are grouped under the component they affect. Issues are described in the tables below and include CVE ID, associated references, type of vulnerability, severity, and updated AOSP versions (where applicable). When available, we link the public change that addressed the issue to the bug ID, like the AOSP change list. When multiple changes relate to a single bug, additional references are linked to numbers following the bug ID. Devices with Android 10 and later may receive security updates as well as Google Play system updates.

· An elevation of privilege vulnerability in Kernel components. (CVE-2017-18509)

· An elevation of privilege vulnerability in Media Framework. (CVE-2021-0332)

· An arbitrary code vulnerability in Media Framework. (CVE-2021-0325)

· An information disclosure vulnerability in Media Framework. (CVE-2021-0335)

· An information disclosure vulnerability in Android runtime. (CVE-2021-0341)

· A denial of service vulnerabilities in Framework. (CVE-2021-0338)

· Multiple elevation of privilege vulnerabilities in Framework.

(CVE-2021-0302, CVE-2021-0305,CVE-2021-0314, CVE-2021-0327, CVE-2021-0330, CVE-2021-0334, CVE-2021-0337,CVE-2021-0339, CVE-2021-0340)

· An arbitrary code vulnerability in System. (CVE-2021-0326)

· Multiple elevation of privilege vulnerabilities in System. (CVE-2021-0328, CVE-2021-0329, CVE-2021-0331, CVE-2021-0333, CVE-2021-0336)

· Multiple vulnerabilities in Google Play system updates (CVE-2021-0311, CVE-2021-0312)

· Multiple high severity vulnerabilities in Kernel components (CVE-2020-10732, CVE-2020-10766, CVE-2020-10767)

· A high severity vulnerabilities in MediaTek components (CVE-2021-0301)

· Multiple high severity vulnerabilities in Qualcomm components (CVE-2020-11233, CVE-2020-11239, CVE-2020-11240, CVE-2020-11250, CVE-2020-11261, CVE-2020-11262)

· Multiple high severity vulnerabilities in Qualcomm closed-source components (CVE-2020-11134, CVE-2020-11182, CVE-2020-11126, CVE-2020-11159, CVE-2020-11181, CVE-2020-11235,

CVE-2020-11238, CVE-2020-11241, CVE-2020-11260)

Successful exploitation of the most severe of these vulnerabilities could allow for remote code execution within the context of a privileged process. Depending on the privileges associated with this application, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. If this application has been configured to have fewer user rights on the system, exploitation of the most severe of these vulnerabilities could have less impact than if it was configured with administrative rights.

Government Risks

· Large and medium government entities: HIGH

· Small government entities: HIGH

 

Businesses Risks

· Large and medium business entities: HIGH

· Small business entities: HIGH

Home Users: HIGH

Reccomendations

We recommend the following actions be taken:

Apply appropriate updates by Google Android or mobile carriers to vulnerable systems, immediately after appropriate testing.

Remind users to only download applications from trusted vendors in the Play Store.

Remind users not to visit un-trusted websites or follow links provided by unknown or un-trusted sources.

Inform and educate users regarding threats posed by hypertext links contained in emails or attachments, especially from un-trusted sources.

 

SOURCE: https://source.android.com/security/bulletin/2021-02-01 

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