Android 12/13 NotificationManager DoS via resource exhaustion
CVE-2022-20482 Published on December 13, 2022
In createNotificationChannel of NotificationManager.java, there is a possible way to make the device unusable and require factory reset due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-240422263
Vulnerability Analysis
CVE-2022-20482 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2022-20482 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2022-20482
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.