CVE-2021-0581: Android WiFi Driver Out of Bounds Read Vulnerability
Summary
CVE-2021-0581: In wifi driver, there is a possible out of bounds read due to a missing bounds check. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2021-08-05. Fixed in SoCVersion:2021-08-05. How to fix ↓
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Background
The Android WiFi driver is a critical component of the Android operating system, responsible for managing wireless network connections. It enables devices to connect to WiFi networks, facilitating internet access and communication. This driver is integral to the functionality of many applications and services on Android devices. However, it is susceptible to vulnerabilities that can compromise user data and device security.
Vulnerability Detail
The vulnerability identified as CVE-2021-0581 stems from a missing bounds check in the WiFi driver, leading to a possible out of bounds read. This flaw allows a proximal attacker to exploit the vulnerability to gain unauthorized access to sensitive information. The exploitation does not require any additional execution privileges or user interaction, making it a significant security risk for devices running affected versions of the Android operating system.
How To Fix
Minimum fixed version
SoCVersion:2021-08-05
This is the first release that contains the fix.
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Workaround
Currently, there are no specific workarounds available to mitigate this vulnerability other than applying the patch. Users are advised to update their devices as soon as the patch is available.
Conclusion
The CVE-2021-0581 vulnerability in the Android WiFi driver poses a significant risk of information disclosure due to an out of bounds read. Users are strongly encouraged to update their devices to the patched version to mitigate this risk. Regular monitoring for vulnerabilities, such as through Vulert, can help maintain device security.
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FAQ
CVE-2021-0581 is a vulnerability in the Android WiFi driver that allows for an out of bounds read due to a missing bounds check, potentially leading to information disclosure.
A proximal attacker can exploit this vulnerability without needing any additional execution privileges or user interaction.
The primary risk is remote information disclosure, which could allow attackers to access sensitive data from affected devices.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Yes, a patch is available starting from SoCVersion:2021-08-05. Users should update their devices to this version or later.
References
Related vulnerabilities
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