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Rewterz Threat Advisory – Multiple Google fscrypt Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-25328

Google fscrypt could allow a local authenticated attacker to execute arbitrary code on the system, caused by improper input validation in the bash completion script. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.

CVE-2022-25327

Google fscrypt is vulnerable to a denial of service, caused by validation of the size, type, and owner (for login protectors) of policy and protector files. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.

CVE-2022-25326

Google fscrypt is vulnerable to a denial of service, caused by validation of the size, type, and owner (for login protectors) of policy and protector files. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Impact

  • Denial of Service
  • Code Execution

Indicators of Compromise

CVE

  • CVE-2022-25328
  • CVE-2022-25327
  • CVE-2022-25326

Affected Vendors

Google

Affected Products

  • Google fscrypt 0.3.2

Remediation

Upgrade to the latest version of fscrypt, available from the fscrypt GIT Repository.

https://github.com/google/fscrypt