Integer Overflow Vulnerability in Android Memory Management Driver - Local Privilege Escalation Risk
Summary
ASB-A-183461318: In memory management driver, there is a possible out of bounds write due to an integer overflow. 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 components, one of which is the memory management driver responsible for handling memory allocation and deallocation. This driver is crucial for ensuring efficient memory usage and system stability. However, vulnerabilities in this driver can lead to severe security risks, including unauthorized access and privilege escalation.
Vulnerability Detail
The vulnerability identified as ASB-A-183461318 is an integer overflow issue within the memory management driver of Android. This flaw allows for an out-of-bounds write, which can be exploited to escalate privileges locally without requiring additional execution privileges. The vulnerability arises from improper handling of integer values during memory operations, leading to potential corruption of memory and unauthorized access to sensitive system resources.
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 becomes available.
Conclusion
The integer overflow vulnerability in the Android memory management driver poses a significant risk of local privilege escalation. Users are strongly encouraged to update their devices to the latest patched version to mitigate this risk. Regular monitoring for vulnerabilities using tools like Vulert can help maintain security in open-source applications.
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FAQ
The vulnerability is an integer overflow issue that can lead to an out-of-bounds write in the memory management driver, allowing for local privilege escalation.
Devices running affected versions of the Android operating system with the vulnerable memory management driver are at risk.
No, user interaction is not needed for exploitation, making it a significant security concern.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without requiring any signup.
If you cannot update your device, it is advisable to limit the use of applications that may exploit this vulnerability until a fix is available.
References
Related vulnerabilities
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