CVE-2023-21047 Information disclosure in Android
A missing bounds check in Android's HAL metadata conversion allows local attackers with system privileges to read out-of-bounds memory, disclosing sensitive information.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-21047?
CVE-2023-21047 is a medium-severity vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In ConvertToHalMetadata of aidl_utils.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-256166866References: N/A
Weakness: CWE-119
Which versions are affected by CVE-2023-21047?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21047?
Apply the vendor's patch.
Is CVE-2023-21047 being exploited?
There is no known exploitation of CVE-2023-21047 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-256166866, GHSA-345m-hwph-xh83, PUB-A-256166866.