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| Content Provider | ACM Digital Library |
|---|---|
| Author | Larsen, Per Conti, Mauro Davi, Lucas Liebchen, Christopher Sadeghi, Ahmad-Reza Crane, Stephen Franz, Michael Qunaibit, Mohaned Negro, Marco |
| Abstract | Adversaries exploit memory corruption vulnerabilities to hijack a program's control flow and gain arbitrary code execution. One promising mitigation, control-flow integrity (CFI), has been the subject of extensive research in the past decade. One of the core findings is that adversaries can construct Turing-complete code-reuse attacks against coarse-grained CFI policies because they admit control flows that are not part of the original program. This insight led the research community to focus on fine-grained CFI implementations. In this paper we show how to exploit heap-based vulnerabilities to control the stack contents including security-critical values used to validate control-flow transfers. Our investigation shows that although program analysis and compiler-based mitigations reduce stack-based vulnerabilities, stack-based memory corruption remains an open problem. Using the Chromium web browser we demonstrate real-world attacks against various CFI implementations: 1)~against CFI implementations under Windows 32-bit by exploiting unprotected context switches, and 2)~against state-of-the-art fine-grained CFI implementations (IFCC and VTV) in the two premier open-source compilers under Unix-like operating systems. Both 32 and 64-bit x86 CFI checks are vulnerable to stack manipulation. Finally, we provide an exploit technique against the latest shadow stack implementation. |
| Starting Page | 952 |
| Ending Page | 963 |
| Page Count | 12 |
| File Format | |
| ISBN | 9781450338325 |
| DOI | 10.1145/2810103.2813671 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2015-10-12 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Control-flow integrity Stack corruption Code-reuse attacks |
| Content Type | Text |
| Resource Type | Article |
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