CVE-2023-21217: Android PMRWritePMPageList Out of Bounds Write Vulnerability
Summary
CVE-2023-21217: In PMRWritePMPageList of TBD, there is a possible out of bounds write due to an integer overflow. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2023-12-05. Fixed in SoCVersion:2023-12-05. How to fix ↓
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Background
The affected package is part of the Android ecosystem, which is widely used in mobile devices. This package is responsible for managing page lists in memory, ensuring efficient data handling and resource allocation. However, it has been identified to have a critical vulnerability that could allow local escalation of privileges, potentially compromising device security.
Vulnerability Detail
In the PMRWritePMPageList function, an integer overflow can occur, leading to an out of bounds write. This vulnerability arises from improper handling of integer values, which can result in memory corruption. The consequences of this vulnerability include local escalation of privileges, allowing an attacker to gain unauthorized access to sensitive system resources without requiring additional execution privileges. User interaction is not necessary for exploitation, making it particularly dangerous.
How To Fix
Minimum fixed version
SoCVersion:2023-12-05
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
CVE-2023-21217 represents a significant security risk within the Android ecosystem due to an out of bounds write vulnerability in the PMRWritePMPageList function. Users are strongly advised to update their systems to the latest patched version to protect against potential exploitation.
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FAQ
CVE-2023-21217 is a vulnerability in the Android PMRWritePMPageList function that allows for an out of bounds write due to an integer overflow, potentially leading to local privilege escalation.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor vulnerabilities in real-time without requiring any signup.
If your device is affected, it is crucial to update to the patched version released on December 5, 2023, to mitigate the risk of exploitation.
No, user interaction is not needed for exploitation, making this vulnerability particularly concerning.
The potential consequences include unauthorized access to sensitive system resources, which could compromise the security of the device.
References
Related vulnerabilities
Recent vulnerabilities recorded for :unknown:.
