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Recent studies on the Android permission system have found that there exists a permission gap between the requested permissions and permissions actually used in an Android app. However, current approaches face some challenges when detecting such permission gaps in Android apps due to the limitation of static analysis techniques. This paper proposes a novel approach to detect permission gaps in Android...
As more and more component-based systems (CBS) run in the open and dynamic Internet, it is very important to establish trust between clients and CBS. One of the key mechanisms to establish trust among different platforms in an open and dynamic environment is remote attestation, which allows a platform to vouch for its trust-related characteristics to a remote challenger. This paper proposes a novel...
Validating function pointers dynamically is very useful for intrusion detection since many runtime attacks exploit function pointer vulnerabilities. Most current solutions tackle this problem through checking whether function pointers target the addresses within the code segment or, more strictly, valid function entries. However, they cannot detect function entry attacks that manipulate function pointers...
Traditional monitoring techniques are not suitable for embedded systems because they could incur significant overhead. This paper proposes a lightweight dynamic performance monitoring framework for embedded systems focusing on reducing the dynamic monitoring overhead. With the introduction of a target-host separation and cooperation model, the target (embedded) system only needs to perform minimal...
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