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Exploring SE for Android
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Android is an operating system composed of two distinct components. The first component is a forked mainline Linux kernel and shares almost everything in common with Linux. The second component, which will be discussed later, is the user space portion, which is very custom and Android specific. Since the Linux kernel underpins this system and is responsible for the majority of access control decisions, it is the logical place to begin a detailed look at Android.
In this chapter we will:
Examine the basics of Discretionary Access Control Introduce Linux permissions flags and capabilities Trace syscalls as we validate access policies Make the case for more robust access control technology Discuss Android exploits that leverage problems with Discretionary Access Control
Linux’s default and familiar access control mechanism is called Discretionary Access Control (DAC). This is just a term that means permissions regarding access to an object are at the discretion of its creator/owner.
William Confer and William Roberts - Personal Name
978-1-78439-059-4
NONE
Information Technology
English
2015
1-379
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