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Rewterz Threat Advisory – Multiple Google Android Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-39675 

Google Android could allow a remote attacker to gain elevated privileges on the system, caused by a flaw in the System component. By sending a specially-crafted request, an attacker could exploit this vulnerability to gain elevated privileges.

CVE-2021-30317 

Google Android could allow a local attacker to bypass security restrictions, caused by improper validation of program headers containing ELF metadata in Qualcomm closed-source components. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass image verification.

Impact

  • Privilege Escalation
  • Security Bypass

Indicators of Compromise

CVEs

  • CVE-2021-39675
  • CVE-2021-30317

Affected Vendors

  • Google Andriod

Affected Products

  • Google Android 12

Remediation

Upgrade to the latest version of Android, available from the Google Web site.

https://source.android.com/security/bulletin/2022-02-01