CVE-2023-40077 Use after free in Android
A race condition in Android's MetaDataBase allows remote attackers to achieve privilege escalation without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-40077?
CVE-2023-40077 is a critical use after free vulnerability in Google Android, published on 4 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In multiple functions of MetaDataBase.cpp, there is a possible UAF write due to a race condition. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-362
Which versions are affected by CVE-2023-40077?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-40077?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-40077 being exploited?
There is no known exploitation of CVE-2023-40077 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-298057702, ASB-A-298057702, GHSA-8m3f-6gqr-5fmr.