XIFER: A Software Diversity Tool Against Code-Reuse Attacks

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Provided by: Technische Universität Chemnitz
Topic: Security
Format: PDF
The enormous growth of mobile devices and their app markets has raised many security and privacy concerns. Run-time attacks seem to be a major threat, in particular, code-reuse attacks that do not require any external code injection (e.g., return-to-libc or return-oriented programming). The authors present, for the first time, a code transformation tool that completely mitigates code-reuse attacks by applying software diversity to the binary at runtime. Their tool XIFER randomly diversifies the code of an application over the entire memory for each invocation, requires no source code or any static analysis, can be applied to both Intel x86 and ARM Linux executables, and induces a negligible runtime overhead of only 1% in average.
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