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| Content Provider | ACM Digital Library |
|---|---|
| Author | Tan, Gang Niu, Ben |
| Abstract | Low-level inlined reference monitors weave monitor code into a program for security. To ensure that monitor code cannot be bypassed by branching instructions, some form of control-flow integrity must be guaranteed. Past approaches to protecting monitor code either have high space overhead or do not support separate compilation. We present Monitor Integrity Protection (MIP), a form of coarse-grained control-flow integrity. The key idea of MIP is to arrange instructions in variable-sized chunks and dynamically restrict indirect branches to target only chunk beginnings. We show that this simple idea is effective in protecting monitor code integrity, enjoys low space and execution-time overhead, supports separate compilation, and is largely compatible with an existing compiler toolchain. We also show that MIP enables a separate verifier that completely disassembles a binary and verifies its security. MIP is designed to support inlined reference monitors. As a case study, we have implemented MIP-based Software-based Fault Isolation (SFI) on both x86-32 and x86-64. The evaluation shows that MIP-based SFI has competitive performance with other SFI implementations, while enjoying low space overhead. |
| Starting Page | 199 |
| Ending Page | 210 |
| Page Count | 12 |
| File Format | |
| ISBN | 9781450324779 |
| DOI | 10.1145/2508859.2516649 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2013-11-04 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Inlined reference monitors Separate compilation Control-flow integrity |
| Content Type | Text |
| Resource Type | Article |
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