CVE-2022-20026: Bluetooth Out of Bounds Write Vulnerability in Android
Summary
CVE-2022-20026: 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 ↓
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Background
Bluetooth is a widely used wireless technology that enables communication between devices over short distances. It is integral to many Android devices, allowing for connections with peripherals such as headphones, speakers, and smartwatches. The vulnerability in question arises from a missing bounds check in the Bluetooth implementation, which could potentially allow an attacker to escalate privileges on the device without requiring additional execution privileges.
Vulnerability Detail
The vulnerability identified as CVE-2022-20026 is characterized by a possible out of bounds write in the Bluetooth subsystem of Android. This flaw originates from inadequate bounds checking, which can lead to local escalation of privilege. The implications of this vulnerability are significant, as it could allow an attacker to gain unauthorized access to sensitive system resources or execute arbitrary code. Notably, user interaction is not required for exploitation, making it particularly dangerous.
How To Fix
Minimum fixed version
SoCVersion:2022-02-05
This is the first release that contains the fix.
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Workaround
Currently, there are no specific workarounds available for this vulnerability. The best course of action is to apply the available patch as soon as possible.
Conclusion
In summary, CVE-2022-20026 is a critical vulnerability in the Bluetooth subsystem of Android that poses a significant risk due to its potential for local privilege escalation without user interaction. It is essential for users to update their devices to the patched version to protect against this vulnerability.
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FAQ
CVE-2022-20026 is a vulnerability in the Bluetooth subsystem of Android that allows for a possible out of bounds write, leading to local escalation of privilege.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
No, user interaction is not needed for exploitation, which increases the risk associated with this vulnerability.
If your device is affected, you should update to the patched version released on February 5, 2022, to mitigate the risk.
The potential consequences include unauthorized access to system resources and the ability to execute arbitrary code, which could compromise the security of the device.
References
Related vulnerabilities
Recent vulnerabilities recorded for :unknown:.
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