CVE-2023-20991 Information disclosure in Android
A missing bounds check in Android's Bluetooth scanner allows local attackers with system privileges to read out-of-bounds memory, 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-2023-20991?
CVE-2023-20991 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 btm_ble_process_periodic_adv_sync_lost_evt of ble_scanner_hci_interface.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-13Android ID: A-255305114
Weakness: CWE-125
Which versions are affected by CVE-2023-20991?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-20991?
Apply the vendor's patch.
Is CVE-2023-20991 being exploited?
There is no known exploitation of CVE-2023-20991 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-255305114, GHSA-65qf-g3jj-7644, PUB-A-255305114.