CVE-2021-0580: Android WiFi Driver Out of Bounds Read Vulnerability
Summary
CVE-2021-0580: 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 that rely on network connectivity. However, the driver is susceptible to vulnerabilities that can compromise user data and device security.
Vulnerability Detail
In the WiFi driver, there exists a possible out of bounds read due to a missing bounds check. This vulnerability can lead to remote information disclosure, allowing a proximal attacker to access sensitive information without requiring additional execution privileges. The lack of user interaction needed for exploitation makes this vulnerability particularly concerning, as it can be exploited silently and without the user's knowledge.
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 recommended for this vulnerability. The best course of action is to apply the available patch by updating the driver.
Conclusion
The CVE-2021-0580 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 released on 2021-08-05 to protect against potential exploitation. Regular monitoring and updates are essential for maintaining device security.
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FAQ
CVE-2021-0580 is a vulnerability in the Android WiFi driver that allows for a possible out of bounds read, potentially leading to information disclosure.
Devices running the affected version of the Android WiFi driver prior to the patch released on 2021-08-05 are at risk.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If you cannot update your device, it is advisable to limit your exposure to untrusted networks and monitor for any unusual activity.
Vulert is a service that monitors and alerts in real-time for open-source vulnerabilities in software, using just the gradle.lockfile for detection.
References
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