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Usenix security 2021 However, it is not as fast and as accurate as its plaintext counterpart. The USENIX Security Symposium brings together researchers, practitioners, system administrators, system programmers, and others interested in the latest advances in the security and privacy of computer systems and networks. Fuzzing embeds a large number of decisions requiring finetuned and hard-coded parameters to maximize its efficiency. Albeit their popularity, little has been done to evaluate their security and associated risks. This paper demonstrates that in such settings, an adversary can perform a training data extraction attack to recover individual training examples by querying the language model. Yuchen Wang, TCA of State Key Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences & Alibaba Group USENIX is committed to Open Access to the research presented at our events. Usability: Authentication. 53. USENIX Security '24: Web Platform Threats: Automated Detection of Web Security Issues With WPT: Pedro Bernardo, Lorenzo Veronese, Valentino Dalla Valle, Stefano Calzavara, Marco Squarcina, Pedro Adão, Matteo Maffei: USENIX Security '24: The Impact of Exposed Passwords on Honeyword Efficacy: Zonghao Huang, Lujo Bauer, Michael K. , Hash Time-Lock Contracts) that hinders a wider deployment in Jun 2, 2021 · Published elsewhere. 11-SNAPSHOT ©2000-2020 iText Group NV (AGPL-version) 2021-08-01T18:04:12-07:00 2020-10-05T15:57:30-04:00 LaTeX with hyperref 2021-08-01T18:04:12-07:00 uuid:800fbace-09a0-11eb-0000-8f05b7d2525a uuid:4f31d8f3-ef19-d04f-8d92-a96770808db7 application/pdf USENIX Security '21 (2021) Attacker-controlled variable. Any video, audio, and/or slides that are posted after the event are also free and open to everyone. Publish and present your work at a USENIX conference! Mark your calendars with these upcoming deadlines. However, the security of LDP protocols is largely unexplored. The kernel data race has a critical security implication since it often leads to memory corruption, which can be abused to launch privilege escalation attacks. We hope you enjoyed the event. In this work, we investigate where Internet services are deployed in practice and evaluate the security posture of services on unexpected ports. The Seventeenth Symposium on Usable Privacy and Security (SOUPS 2021), August 8–10, 2021, Virtual Event. Usenix Security 2021 - AURORA: Statistical Crash Analysis for Automated Root Cause Explanation Resources. USENIX Security 2021 Keywords zero-knowledge proofs Contact author(s) ckweng @ u northwestern edu yangk @ sklc org xiexiang @ matrixelements com jkatz2 @ gmail com wangxiao @ cs northwestern edu History 2021-06-02: received Short URL https://ia. , by Samsung), we find that the delays of patches are largely due to the current patching practices and the lack of knowledge about which USENIX is committed to Open Access to the research presented at our events. 30th USENIX Security Symposium August 11–13, 2021 Wednesday, August 11 Usability: Authentication USENIX is committed to Open Access to the research presented at our events. 3; modified using iText® 7. Although SDN can improve network security oversight and policy enforcement, ensuring the security of SDN from sophisticated attacks is an ongoing challenge for practitioners. This aspect can be easily evaluated on a commodity CPU (perhaps even a laptop with 4-cores/8 threads) in 3-6 hours runtime, without major SW dependencies. Due to the dynamic behavior changes of attackers (and/or the benign counterparts), the testing data distribution is often shifting from the original training data over time, causing major failures to the deployed model. A recent cryptographic solution Delphi (Usenix Security 2020) strives for low latency by using GPU on linear layers and replacing some non-linear units in the model at a price of accuracy. This breaks the authentication of TLS and cross-protocol attacks may be possible where the behavior of one service may compromise the security of the other at the application layer. One of the its main limitations is the fact that popular coverage-guided designs are optimized to reach different parts of the program under test, but struggle when reachability alone is insufficient to trigger a vulnerability. In particular, we first clarify the capabilities that related-domain attackers can acquire through different attack vectors, showing that different instances of the related-domain attacker concept are worth attention. table of contents in dblp; Please join us for the 30th USENIX Security Symposium, which will be held as a virtual event on August 11–13, 2021. Poster submissions due for SOUPS 2021; Lightning Talk proposals due for SOUPS 2021; Karat Student Award nominations due for SOUPS 2021; Tuesday, June 8. GPT-2 uses a USENIX is committed to Open Access to the research presented at our events. SUPI 3G/4G 5G Link the user’s 3G/4G and 5G sessions Figure 1: Tracing a high-value target user’s UE across We leverage the use of TLS certificates by phishers to uncover possible Dutch phishing domains aimed at the financial sector between September 2020 and January 2021. , Canada 30th USENIX Security Symposium Symposium Overview The USENIX Security Symposium brings together researchers, practitio - ners, system administrators, system programmers, and others interested in the latest advances in the security and privacy of computer systems and networks. Aug 11, 2021 · USENIX Security Symposium. Directed greybox fuzzing is an augmented fuzzing technique intended for the targeted usages such as crash reproduction and proof-of-concept generation, which gives directedness to fuzzing by driving the seeds toward the designated program locations called target sites. Steering committees and past program chairs from USENIX conferences determine the award winners. Reiter: USENIX USENIX is committed to Open Access to the research presented at our events. We demonstrate that PACStack's performance overhead is Oblivious inference protects the data privacy of both the query and the model. view. We present SmarTest, a novel symbolic execution technique for effectively hunting vulnerable transaction sequences in smart contracts. 3-A general purpose hardware mechanism for pointer authentication (PA) to implement ACS. cr/2021/730 License CC BY A kernel data race is notoriously challenging to detect, reproduce, and diagnose, mainly caused by nondeterministic thread interleaving. Jun 14, 2021 · 2021: Conference Name: 30th USENIX Security Symposium (USENIX Security 21) Date Published: 08/2021: Publisher: USENIX Association: URL: https://www. August 11–13, 2021 • Vancouver, B. Security against N −1 malicious provers requires only a 2× slowdown. C. Known approaches for using decoy passwords (honeywords) to detect credential database breaches suffer from the need for a trusted component to recognize decoys when entered in login attempts, and from an attacker's ability to test stolen passwords at other sites to identify user-chosen passwords based on their reuse at those sites. Provenance-based analysis techniques have been proposed as an effective means toward comprehensive and high-assurance security control as they provide fine-grained mechanisms to track data flows across the system USENIX is committed to Open Access to the research presented at our events. Finally, we use a state-of-the-art formal verification tool, Tamarin prover, to prove that 5G-AKA′ achieves the desired security goals of privacy, authentication and secrecy. 6 %âãÏÓ 1 0 obj >]>>/Pages 3 0 R/Type/Catalog>> endobj 588 0 obj >stream GPL Ghostscript 9. Code for our USENIX Security 2021 paper -- CADE: Detecting and Explaining Concept Drift Samples for Security Applications - whyisyoung/CADE USENIX is committed to Open Access to the research presented at our events. Trung Tin Nguyen, CISPA Helmholtz Center for Information Security; Saarbrücken Graduate School of Computer Science, Saarland University; Michael Backes, Ninja Marnau, and Ben Stock, CISPA Helmholtz Center for Information Security USENIX is committed to Open Access to the research presented at our events. Hence, the efficient detection of hypervisor vulnerabilities is crucial for the security of the modern cloud infrastructure. Distinguished Paper Award Winner and Third Prize winner of the 2021 Internet Defense Prize Abstract: Reflective amplification attacks are a powerful tool in the arsenal of a DDoS attacker, but to date have almost exclusively targeted UDP-based protocols. Unfortunately, existing vulnerability detection methods cannot effectively nor efficiently analyze such web services: they either introduce heavy execution overheads or USENIX is committed to Open Access to the research presented at our events. However, when tied with economical incentives, 2-phase-commit brings other security threats (i. . Due to the wide adoption of regexes in computation, ReDoS poses a pervasive and serious security threat. We are, therefore, offering an opportunity to authors of papers from the 2020 and 2021 USENIX Security Symposium to present their papers as posters this year in Boston. In this work, we aim to bridge this gap. FAST, NSDI, and the USENIX Security Symposium encourage nominations from the community for these awards. USENIX ATC '21 will bring together leading systems researchers for cutting-edge systems research and the opportunity to gain insight into a wealth of must-know topics. (SOUPS '19) highlighted the motivations and barriers to adopting PMs. In The EOSIO blockchain, one of the representative Delegated Proof-of-Stake (DPoS) blockchain platforms, has grown rapidly recently. Via a rigorous security analysis, we show that PACStack achieves security comparable to hardware-assisted shadow stacks without requiring dedicated hardware. Utrecht University. Paper submissions due for USENIX Security '22 Summer quarter deadline @inproceedings {263816, author = {Zitai Chen and Georgios Vasilakis and Kit Murdock and Edward Dean and David Oswald and Flavio D. EDP Sciences. However, their pervasiveness also amplifies the impact of security vulnerabilities. %PDF-1. To demonstrate that a malicious client can completely break the security of semi-honest protocols, we first develop a new model-extraction attack against many state-of-the-art secure inference protocols. Because smart contracts are stateful programs whose states are altered by transactions, diagnosing and understanding nontrivial vulnerabilities requires generating sequences of transactions that demonstrate the flaws. Recent work showed that blind fuzzing is the most efficient approach to identify security issues in hypervisors, mainly due to an outstandingly high test throughput. It has become common to publish large (billion parameter) language models that have been trained on private datasets. We expand these findings by replicating Pearman et al. , funds are locked for a time proportional to the payment path length) and dependency on specific scripting language functionality (e. , wormhole attacks), staggered collateral (i. Zhikun Zhang, Zhejiang University and CISPA Helmholtz Center for Information Security; Tianhao Wang, Ninghui Li, and Jean Honorio, Purdue University; Michael Backes, CISPA Helmholtz Center for Information Security; Shibo He and Jiming Chen, Zhejiang University and Alibaba-Zhejiang University Joint Research Institute of Frontier Technologies; Yang Zhang, CISPA Helmholtz Center for Information USENIX is committed to Open Access to the research presented at our events. While its reliability and cost effectiveness turned CAN into the most widely used in-vehicle communication interface, its topology, physical layer and arbitration mechanism make it impossible to prevent certain types of adversarial activities on the bus. Hao-Ping (Hank) Lee, Carnegie Mellon University; Lan Gao, Georgia Institute of Technology; Stephanie Yang, Georgia Institute of Technology; Jodi Forlizzi, Carnegie Mellon University; Sauvik Das, Carnegie Mellon University SmartTVs, the most widely adopted home-based IoT devices, are no exception. 1. 3 days ago · 30th USENIX Security Symposium, USENIX Security 2021, August 11-13, 2021. Location JW Marriott Parq Vancouver, 39 Smithe St, Vancouver B. USENIX is committed to Open Access to the research presented at our events. AGPL-3. Valardocs. An Analysis of Speculative Type Confusion Vulnerabilities in the Wild •Question of this paper: Are OS In the past several years, researchers from multiple communities—such as security, database, and theoretical computer science—have proposed many LDP protocols. While fuzz testing proved to be a very effective technique to find software bugs, open challenges still exist. Password managers (PMs) are considered highly effective tools for increasing security, and a recent study by Pearman et al. 13, 2021 All Day. We show protocol deployment is more diffuse than previously believed and that protocols run on many additional ports beyond their primary IANA-assigned port. To proactively address the problem, we propose a systematic evaluation of Android SmartTVs security. Existing network forensics tools attempt to identify and track such attacks, but holistic causal reasoning across control and data planes remains challenging. Please join us for the 30th USENIX Security Symposium, which will be held as a virtual event on August 11–13, 2021. Nov 20, 2023 · 30th USENIX Security Symposium, USENIX Security 2021, August 11-13, 2021. Papers and proceedings are freely available to everyone once the event begins. , images), the vulnerability of graph neural networks (GNNs) for discrete-structured data (e. 30th USENIX Security Symposium August 11–13, 2021 Wednesday, August 11 Usability: Authentication USENIX Association. Thursday, May 27. Hence, it is imminent to address the scalability issue in order to make causality analysis practical and applicable to the enterprise-level environment. C, Join us in Vancouver, B 30th USENIX Security Symposium, USENIX Security 2021, August 11-13, 2021. 2021 USENIX Annual Technical Conference will take place as a virtual event on July 14–16, 2021. ECOS 2024. org USENIX Security ’21 Program Co-Chairs On behalf of USENIX, we, the program co-chairs, want to welcome you to the proceedings of the 30th USENIX Security Symposium. The Seventeenth Symposium on Usable Privacy and Security (SOUPS 2021) will take place on August 8–10, 2021, and will be co-located with USENIX Security '21. g. Please join us for the 30th USENIX Security Symposium, which will be held as a virtual event on August 11–13, 2021. MPInspector combines model learning with formal analysis and operates in three stages: (a) using parameter semantics extraction and interaction logic extraction to automatically infer the state machine of an MP implementation, (b) generating security properties based on meta properties and the state machine, and (c) applying automatic property USENIX is committed to Open Access to the research presented at our events. An email's authenticity is based on an authentication chain involving multiple protocols, roles and services, the inconsistency among which creates security threats. Our attack enables a malicious client to learn model weights with 22x--312x fewer queries than the best black-box model-extraction attack and USENIX is committed to Open Access to the research presented at our events. ECOS 2023. 0 license Activity. Stars. Despite the plethora of prior work on DNNs for continuous data (e. In this paper we define and quantify for the first time the threats that related-domain attackers pose to web application security. ReDMArk shows that current security mechanisms of IB-based architectures are insufficient against both in-network attackers and attackers located on end hosts, thus affecting not only secrecy, but also 2634 30th USENIX Security Symposium USENIX Association. By analyzing the CVEs and patches available since the inception of the Android security bulletin, as well as open-source upstream kernels (e. Support USENIX and our commitment to Open Access. This is especially true for kernel fuzzing due to (1) OS kernels' sheer size and complexity, (2) a unique syscall interface that requires special handling (e. Our results suggest that if even high-risk users with clear risk conceptions view existing tools as insufficiently effective to merit the cost of use, these tools are not actually addressing their real security needs. Three states—Delaware, West Virginia, and New Jersey—recently announced that they would allow certain voters to cast votes online using OmniBallot, but, despite the well established risks of Internet voting, the system has never before undergone a public, independent Depending on the application, our attacks cause system crashes, data corruption and leakage, degradation of security, and can introduce remote code execution and arbitrary errors. In this paper, we investigate cross-protocol attacks on TLS in general and conduct a systematic case study on web servers, redirecting HTTPS requests from a victim We implement three collaborative proofs and evaluate the concrete cost of proof generation. Garcia}, title = {{VoltPillager}: Hardware-based fault injection attacks against Intel {SGX} Enclaves using the {SVID} voltage scaling interface}, We are rethinking the decades-old design of the CAN bus by incorporating reactive defense capabilities in it. In addition, the effectiveness of the analysis to discover security breaches relies on the assumption that comprehensive historical events over a long span are stored. Hence, the security of RDMA architectures is crucial, yet potential security implications of using RDMA communication remain largely unstudied. The 2020–2021 reviewing cycles happened in the midst of global turmoil with invitations to the PC occuring USENIX is committed to Open Access to the research presented at our events. , Linux and AOSP) and hundreds of mostly binary OEM kernels (e. Many popular vulnerabilities of embedded systems reside in their vulnerable web services. Meanwhile, a number of vulnerabilities and high-profile attacks against top EOSIO DApps and their smart contracts have also been discovered and observed in the wild, resulting in serious financial damages. In this paper, we fill the gap by conducting the first systematic study on the communication process between client- and server-side code in Node. Concept drift poses a critical challenge to deploy machine learning models to solve practical security problems. Password security hinges on an in-depth understanding of the techniques adopted by attackers. , graphs) is largely unexplored, which is highly concerning given their increasing use in security-sensitive domains. Our findings underscore the importance of more holistic design of security tools to address both online and offline axes of safety. USENIX Association 2021, ISBN 978-1-939133-24-3. , test cases) are often not USENIX is committed to Open Access to the research presented at our events. The 30th USENIX Jun 2, 2020 · Please join us for the 30th USENIX Security Symposium, which will be held as a virtual event on August 11–13, 2021. were all trained using the same dataset and training algorithm, but with varying model sizes. , encoding explicit dependencies among syscalls), and (3) behaviors of inputs (i. Thus, it depends on the weakest link of the chain, as any failed part can break the whole chain-based defense. Date/Time Aug. Thanks to those who joined us for the 33rd USENIX Security Symposium. usenix. These studies mainly focused on improving the utility of the LDP protocols. In our evaluation of the attacks in the Internet we find that all the standard compliant open DNS resolvers we tested allow our injection attacks against applications A security threat to deep neural networks (DNN) is data contamination attack, in which an adversary poisons the training data of the target model to inject a backdoor so that images carrying a specific trigger will always be given a specific label. ECOS 2021 Program Organizers. Democracy Live's OmniBallot platform is a web-based system for blank ballot delivery, ballot marking, and online voting. Readme License. Utah Center For Advanced Imaging Research . We collect 70 different Dutch phishing kits in the underground economy, and identify 10 distinct kit families. Minor revision. Existing detection approaches mainly fall into two categories: static and dynamic analysis. USENIX Security brings together researchers, practitioners, system administrators, system programmers, and others to share and explore the latest advances in the security and privacy of computer systems and networks. manage site settings. Their popularity has also led to increased scrutiny of the underlying security properties and attack surface of container technology. USENIX Association 30th USENIX Security Symposium 3595. New poster submissions of unpublished works will be also accepted. However, this security risk is not well studied and understood in JavaScript and Node. Pengfei Jing, The Hong Kong Polytechnic University and Keen Security Lab, Tencent; Qiyi Tang and Yuefeng Du, Keen Security Lab, Tencent; Lei Xue and Xiapu Luo, The Hong Kong Polytechnic University; Ting Wang, Pennsylvania State University; Sen Nie and Shi Wu, Keen Security Lab, Tencent The USENIX Security Symposium is excited to have an in-person conference after two years of virtual conferences. 11, 2021 - Aug. js programs. Early detection of ReDoSvulnerable regexes in software is thus vital. 's protocol and interview instrument applied to a sample of strictly older adults (>60 years of We explore the design space of multi-vantage-point domain validation to achieve (1) security via sufficiently diverse vantage points, (2) performance by ensuring low latency and overhead in certificate issuance, (3) manageability by complying with CA/Browser forum requirements, and requiring minimal changes to CA operations, and (4) a low USENIX is committed to Open Access to the research presented at our events. Unfortunately, real-world adversaries resort to pragmatic guessing strategies such as dictionary attacks that are inherently difficult to model in password security studies. We find that over a 3Gb/s link, security against a malicious minority of provers can be achieved with approximately the same runtime as a single prover. Please check the upcoming symposium's webpage for information about how to submit a nomination. The continuing use of proprietary cryptography in embedded systems across many industry verticals, from physical access control systems and telecommunications to machine-to-machine authentication, presents a significant obstacle to black-box security-evaluation efforts. Our prototype, PACStack, uses the ARMv8. 2024 USENIX Security '24 Industrial Control Systems (ICS) have seen a rapid proliferation in the last decade amplified by the advent of the 4th Industrial Revolution. At the same time, several notable cybersecurity incidents in industrial environments have underlined the lack of depth in security evaluation of industrial devices such as Programmable Logic Controllers (PLC). Security Analysis of MIRAGE: A Bins and Buckets model of the Last-Level-Cache implementing MIRAGE is provided in a C++ program, to quantify its security properties. e. iwtpu oikra qfjb pfvii qyaqyl uti izlvnr xqv isilj ldhj