What is CVE-2023-40084?

CVE-2023-40084 is a vulnerability in the MDnsSdListener.cpp file of Google Android that could result in memory corruption and local privilege escalation.

What is the severity of CVE-2023-40084?

CVE-2023-40084 has a severity rating of 7, which is considered high.

How does CVE-2023-40084 occur?

CVE-2023-40084 occurs due to a use after free vulnerability in the MDnsSdListener.cpp file.

Who is affected by CVE-2023-40084?

Users of Google Android devices are affected by CVE-2023-40084.

Is user interaction required for exploitation of CVE-2023-40084?

No, user interaction is not needed for exploitation of CVE-2023-40084.

Vulnerability/
CVE-2023-40084

high

7.8

CWE

416

4/12/2023

26/8/2024

CVE-2023-40084: Use After Free

First published: Mon Dec 04 2023(Updated: )

In run of MDnsSdListener.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Credit: security@android.com

Affected Software	Affected Version	How to fix
Google Android
Google Android	=11.0
Google Android	=12.0
Google Android	=12.1
Google Android	=13.0
Google Android	=14.0

Remedy

https://android.googlesource.com/platform/system/netd/+/1b8bddd96b2efd4074b6d4eee377b62077c031bd

Remedy

https://source.android.com/security/bulletin/2023-12-01

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Reference Links

Frequently Asked Questions

What is CVE-2023-40084?
CVE-2023-40084 is a vulnerability in the MDnsSdListener.cpp file of Google Android that could result in memory corruption and local privilege escalation.
What is the severity of CVE-2023-40084?
CVE-2023-40084 has a severity rating of 7, which is considered high.
How does CVE-2023-40084 occur?
CVE-2023-40084 occurs due to a use after free vulnerability in the MDnsSdListener.cpp file.
Who is affected by CVE-2023-40084?
Users of Google Android devices are affected by CVE-2023-40084.
Is user interaction required for exploitation of CVE-2023-40084?
No, user interaction is not needed for exploitation of CVE-2023-40084.

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vendor/google
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version/google android/11.0
version/google android/12.0
version/google android/12.1
version/google android/13.0
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