CVE-2023-21156 Information disclosure in Android
A local attacker with system privileges can read out-of-bounds memory in the Android modem protocol builder, leading to information disclosure.
- 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-2023-21156?
CVE-2023-21156 is a medium-severity vulnerability in Google Android, published on 28 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In BuildGetRadioNode of protocolmiscbulider.cpp, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure from the modem with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-264540759References: N/A
Weakness: CWE-125
Which versions are affected by CVE-2023-21156?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21156?
Apply the vendor's patch.
Is CVE-2023-21156 being exploited?
There is no known exploitation of CVE-2023-21156 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-264540759, GHSA-c76m-968m-hh93, PUB-A-264540759.