Arbitrary Code Loading Vulnerability in Android System Settings
CVE-2022-20474

7.8HIGH

Key Information:

Vendor

Google
Status
Android
Vendor
CVE Published:
13 December 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-20474?

A vulnerability exists in the Android operating system where an attacker could exploit a confused deputy design flaw in the readLazyValue function of Parcel.java. This flaw allows arbitrary code to be loaded into the System Settings application without requiring additional execution privileges. Importantly, exploitation does not require user interaction, which increases the risk of unauthorized access and potential control over system functionalities.

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Affected Version(s)

Android Android-10 Android-11 Android-12 Android-12L Android-13

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-20474
Created by cxxsheng

References

https://source.android.com/security/bulletin/2022-12-01

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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