An issue was discovered on Samsung mobile devices with Q(10.0) and R(11.0) (Qualcomm SM8250 chipsets) software. They allows attackers to cause a denial of service (unlock failure) by triggering a power-shortage incident that causes a false-positive attack detection. The Samsung ID is SVE-2020-19678 (December 2020).
The product operates in an environment in which power is a limited resource that cannot be automatically replenished, but the product does not properly restrict the amount of power that its operation consumes.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Android | 10.0 (including) | 10.0 (including) | |
| Android | 11.0 (including) | 11.0 (including) |
In environments such as embedded or mobile devices, power can be a limited resource such as a battery, which cannot be automatically replenished by the product itself, and the device might not always be directly attached to a reliable power source. If the product uses too much power too quickly, then this could cause the device (and subsequently, the product) to stop functioning until power is restored, or increase the financial burden on the device owner because of increased power costs. Normal operation of an application will consume power. However, in some cases, an attacker could cause the application to consume more power than intended, using components such as: