CVE-2023-21227: HTBLogKM Information Disclosure Vulnerability in Android
Summary
CVE-2023-21227: In HTBLogKM of htbserver.c, there is a possible information disclosure due to log information disclosure. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2023-12-05. Fixed in SoCVersion:2023-12-05. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
HTBLogKM is a component of the htbserver.c file in the Android ecosystem, responsible for logging kernel activities. This package is crucial for maintaining system logs and ensuring that kernel operations are monitored effectively. However, it has been identified to have a vulnerability that allows for potential information disclosure, which could compromise the integrity of sensitive data within the kernel.
Vulnerability Detail
The vulnerability arises from improper handling of log information in HTBLogKM, leading to possible information disclosure. This issue allows local users to access sensitive log data without requiring additional execution privileges. The lack of user interaction needed for exploitation makes this vulnerability particularly concerning, as it can be exploited silently by malicious actors to gain insights into the system's operations and potentially sensitive information.
How To Fix
Minimum fixed version
SoCVersion:2023-12-05
This is the first release that contains the fix.
Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can restrict access to the log files or implement stricter permissions on the logging mechanism to minimize the risk of unauthorized access until the package can be updated.
Conclusion
The HTBLogKM vulnerability (CVE-2023-21227) poses a significant risk of information disclosure within the Android ecosystem. Users are strongly advised to update to the latest patched version to mitigate this risk. Additionally, utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
See every vulnerability recorded for :unknown: →
FAQ
CVE-2023-21227 is a vulnerability in the HTBLogKM component of Android that allows for potential information disclosure through improper logging practices.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor for open-source vulnerabilities without requiring any signup.
The primary risk is that local users could access sensitive log information, which could lead to further exploitation or compromise of the system.
No, user interaction is not needed for exploitation, making it a silent threat that could be exploited without the user's knowledge.
You should update to SoCVersion:2023-12-05 or later using your system's package manager or by downloading the latest version from the official repository.
References
Related vulnerabilities
Recent vulnerabilities recorded for :unknown:.
