Apple iOS 4 Security Evaluation
Apple iOS 4 Security Evaluation
Apple iOS 4 Security Evaluation
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Bottom LineMandatory Code Signing in <strong>iOS</strong> is strong defense againstexecution of unauthorized binariesRequires incomplete code signing exploits to bypass andobtain return-oriented executionCode signing forces attackers to develop fully ROP payloadsDEP/NX only require a ROP stage to allocate newexecutable memory and copy shellcode into itJIT support in Safari reduces ROP requirements to a stage