Local Privilege Escalation Vulnerability in Android Memory Management Driver
Summary
ASB-A-183459083: In memory management driver, there is a possible out of bounds write due to uninitialized data. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2021-05-05. Fixed in SoCVersion:2021-05-05. How to fix ↓
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Background
The Android operating system is a widely used open-source platform that powers a multitude of devices. It includes various drivers that manage hardware resources, including memory management drivers. These drivers are crucial for the efficient allocation and management of memory resources, ensuring that applications run smoothly. However, vulnerabilities in these drivers can lead to severe security issues, such as unauthorized access to system resources.
Vulnerability Detail
The vulnerability identified as ASB-A-183459083 is a local privilege escalation issue stemming from an out-of-bounds write due to uninitialized data in the memory management driver. This flaw allows an attacker with local access to escalate their privileges without needing additional execution permissions. The exploitation of this vulnerability could lead to unauthorized access to sensitive system resources, potentially compromising the integrity and confidentiality of the device.
How To Fix
Minimum fixed version
SoCVersion:2021-05-05
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 patch as soon as it is available.
Conclusion
The ASB-A-183459083 vulnerability poses a significant risk to Android devices by allowing local privilege escalation through an out-of-bounds write in the memory management driver. Users are strongly advised to update their systems to the latest patched version to mitigate this risk. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your applications.
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FAQ
The vulnerability is an out-of-bounds write in the memory management driver, which can lead to local privilege escalation.
Devices running the affected version of the Android operating system are at risk, particularly those that have not been updated since May 5, 2021.
No, user interaction is not needed for exploitation, making it particularly dangerous.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
If you cannot update your device, consider limiting access to sensitive functions and monitoring for any unusual activity until a patch can be applied.
References
Related vulnerabilities
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