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- W4289655071 abstract "Programmable network data planes are paving the way for networking innovations, with the ability to perform complex, stateful tasks defined in high-level languages such as P4. The enhanced capabilities of programmable data plane devices has made verification of their runtime behaviour, using established methods such as probe packets, impossible to scale beyond probabilistic detection. This has created a potential opportunity for an attacker, with access to a compromised device, to subtly alter its forwarding program to mishandle only a small subset of packets, evading probabilistic detection. In practice, such subtle binary instrumentation attacks require extensive knowledge of the forwarding program, yet it is unclear whether a static analysis of compiled P4 programs to obtain this knowledge can be fast and accurate enough for an on-device attack scenario. In this work, we investigate this possibility by implementing a static analysis of P4 programs compiled to BPF bytecode. This analysis gathers sufficient information for the attacker to identify appropriate (reliably correct) edits to the program. We found that, due to predictable compiler behaviours, our analysis remains accurate even when several program behaviours are abstracted away. Our evaluation of the analysis requirements shows that, from a defensive perspective, there is scope for selectively manipulating those instructions in P4-BPF programs that are critical to attack-focused analysis in order to increase its difficulty, without increasing the number of program instructions." @default.
- W4289655071 created "2022-08-03" @default.
- W4289655071 creator A5017191569 @default.
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- W4289655071 date "2022-06-27" @default.
- W4289655071 modified "2023-09-27" @default.
- W4289655071 title "Investigating the Vulnerability of Programmable Data Planes to Static Analysis-Guided Attacks" @default.
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- W4289655071 doi "https://doi.org/10.1109/netsoft54395.2022.9844121" @default.
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