Google Android OS Could Allow for Remote Code Execution

Fortify Security Team
Oct 5, 2021

Multiple vulnerabilities have been discovered in the Google Android operating system (OS), the most severe of which could allow for remote code execution. Android is an operating system developed by Google for mobile devices, including, but not limited to, smartphones, tablets, and watches. 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.

THREAT INTELLIGENCE: There are currently no reports of these vulnerabilities being exploited in the wild.

SYSTEMS AFFECTED:

  • Android OS builds utilizing Security Patch Levels issued prior to October  5, 2021.

RISK:
Government:

  • Large and medium government entities: High
  • Small government entities: High

Businesses:

  • Large and medium business entities: High
  • Small business entities: High

Home users: Low

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. Details of these vulnerabilities are as follows:

  • A vulnerability in Android runtime that could enable a local attacker with physical access to the device to execute arbitrary code in order to gain access to additional permissions. (CVE-2021-0703)
  • Multiple vulnerabilities in Framework that could enable a local malicious application to execute arbitrary code within the context of a privileged process. (CVE-2020-15358, CVE-2021-0651, CVE-2021-0652, CVE-2021-0702, CVE-2021-0705, CVE-2021-0708)
  • A vulnerability in Media Framework that could enable a local malicious application to execute arbitrary code within the context of a privileged process. (CVE-2021-0483)
  • Multiple vulnerabilities in System could enable a remote attacker using a specially crafted transmission to execute arbitrary code within the context of a privileged process. (CVE-2021-0870, CVE-2021-0643, CVE-2021-0706)
  • Multiple vulnerabilities in Kernel that could enable a local attacker to execute arbitrary code within the context of a privileged process. (CVE-2020-10768, CVE-2020-29368, CVE-2020-29660, CVE-2021-0707, CVE-2021-29647)
  • A vulnerability in Telecommunication that could lead to remote information disclosure with no additional execution privileges needed. (CVE-2021-27666)
  • Multiple Critical severity vulnerabilities in Qualcomm components. (CVE-2020-11264, CVE-2020-11301)
  • Multiple high severity vulnerabilities in Qualcomm components. (CVE-2020-2458, CVE-2020-24588, CVE-2020-26139, CVE-2020-26141, CVE-2020-26145, CVE-2020-26146, CVE-2021-1977, CVE-2021-1980, CVE-2021-30305, CVE-2021-30306, CVE-2021-30312)
  • Multiple high severity vulnerabilities in Qualcomm closed-source components. (CVE-2020-11303, CVE-2020-26140, CVE-2020-26147, CVE-2021-1913, CVE-2021-1917, CVE-2021-1932, CVE-2021-1936, CVE-2021-1949, CVE-2021-1959, CVE-2021-1983, CVE-2021-1984, CVE-2021-1985, CVE-2021-30256, CVE-2021-30257, CVE-2021-30258, CVE-2021-30288, CVE-2021-30291, CVE-2021-30292, CVE-2021-30297, CVE-2021-30302, CVE-2021-30310)

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.

RECOMMENDATIONS:

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.

REFERENCES:
Google Android:
https://source.android.com/security/bulletin/2021-10-01

CVE:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10768

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11264

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11301

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11303

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15358

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24587

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24588

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26139

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26140

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26141

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26145

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26146

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26147

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29368

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29660

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0483

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0643

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0651

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0652

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0702

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0703

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0705

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0706

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0707

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0708

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0870

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1913

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1917

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1932

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1936

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1949

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1959

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1977

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1980

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1983

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1984

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1985

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27666

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29647

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30256

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30257

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30258

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30288

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30291

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30292

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30297

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30302

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30305

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30306

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30310

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30312

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