Memory Corruption in Android's Networking Component from Google
CVE-2023-40084

7.8HIGH

Key Information:

Vendor

Google
Status
Android
Vendor
CVE Published:
4 December 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-40084?

A vulnerability has been identified in the networking component of Google's Android platform, specifically in the MDnsSdListener.cpp file. The issue arises from a use-after-free condition, permitting potential memory corruption. This flaw could allow local escalation of privilege without requiring additional execution rights or user interaction, thereby posing a significant security risk to affected systems.

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Affected Version(s)

Android 14

Android 13

Android 12L

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.

platform_system_netd_AOSP10_r33_CVE-2023-40084
Created by Trinadh465

References

https://android.googlesource.com/platform/system/netd/+/1...
https://source.android.com/security/bulletin/2023-12-01

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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