CVE-2022-20027: Bluetooth Out of Bounds Write Vulnerability in Android
Summary
CVE-2022-20027: In Bluetooth, there is a possible out of bounds write due to a missing bounds check. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2022-02-05. Fixed in SoCVersion:2022-02-05. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Bluetooth is a wireless technology standard for exchanging data over short distances. It is widely used in various devices, including smartphones, tablets, and computers, enabling functionalities such as file transfer, audio streaming, and device pairing. The vulnerability in question affects the Android ecosystem, specifically in the Bluetooth implementation, which is crucial for seamless connectivity and communication between devices.
Vulnerability Detail
The vulnerability arises from a missing bounds check in the Bluetooth implementation, leading to a possible out of bounds write. This flaw can result in local escalation of privilege, allowing an attacker to gain elevated access to system resources without requiring additional execution privileges. The exploitation of this vulnerability does not necessitate user interaction, making it particularly concerning for device security.
How To Fix
Minimum fixed version
SoCVersion:2022-02-05
This is the first release that contains the fix.
Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds provided for this vulnerability. The best course of action is to apply the available patch as soon as possible.
Conclusion
In summary, CVE-2022-20027 is a critical vulnerability in the Bluetooth implementation of Android that poses a risk of local privilege escalation. Users are strongly advised to update their devices to the latest patched version to protect against potential exploitation.
See every vulnerability recorded for :unknown: →
FAQ
CVE-2022-20027 is a vulnerability in the Bluetooth implementation of Android that allows for a possible out of bounds write due to a missing bounds check.
This vulnerability can lead to local escalation of privilege, potentially allowing unauthorized access to system resources on your device.
No, user interaction is not needed for exploitation, making it a significant security risk.
You should update your device to the patched version released on February 5, 2022, to mitigate the risk associated with this vulnerability.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
References
Related vulnerabilities
Recent vulnerabilities recorded for :unknown:.
