Data-Free Universal Attack by Exploiting the Intrinsic Vulnerability of Deep Models

• URL: http://arxiv.org/abs/2503.22205v1
• Date: Fri, 28 Mar 2025 07:48:50 GMT
• Title: Data-Free Universal Attack by Exploiting the Intrinsic Vulnerability of Deep Models
• Authors: YangTian Yan, Jinyu Tian,
• Abstract summary: Deep neural networks (DNNs) are susceptible to Universal Adversarial Perturbations (UAPs)<n>We propose a novel data-free method called Intrinsic UAP (IntriUAP)<n>Our method achieves highly competitive performance in attacking popular image classification deep models without using any image samples.
• Score: 8.053186346076743
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Deep neural networks (DNNs) are susceptible to Universal Adversarial Perturbations (UAPs), which are instance agnostic perturbations that can deceive a target model across a wide range of samples. Unlike instance-specific adversarial examples, UAPs present a greater challenge as they must generalize across different samples and models. Generating UAPs typically requires access to numerous examples, which is a strong assumption in real-world tasks. In this paper, we propose a novel data-free method called Intrinsic UAP (IntriUAP), by exploiting the intrinsic vulnerabilities of deep models. We analyze a series of popular deep models composed of linear and nonlinear layers with a Lipschitz constant of 1, revealing that the vulnerability of these models is predominantly influenced by their linear components. Based on this observation, we leverage the ill-conditioned nature of the linear components by aligning the UAP with the right singular vectors corresponding to the maximum singular value of each linear layer. Remarkably, our method achieves highly competitive performance in attacking popular image classification deep models without using any image samples. We also evaluate the black-box attack performance of our method, showing that it matches the state-of-the-art baseline for data-free methods on models that conform to our theoretical framework. Beyond the data-free assumption, IntriUAP also operates under a weaker assumption, where the adversary only can access a few of the victim model's layers. Experiments demonstrate that the attack success rate decreases by only 4% when the adversary has access to just 50% of the linear layers in the victim model.

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