House Arrest in Apple iOS before 8.1 relies on the hardware UID for its encryption key, which makes it easier for physically proximate attackers to obtain sensitive information from a Documents directory by obtaining this UID.
Category : Cryptographic Issues Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed.