Na'vi or Knave: Jailbreaking Language Models via Metaphorical Avatars

• URL: http://arxiv.org/abs/2412.12145v3
• Date: Wed, 19 Feb 2025 11:09:15 GMT
• Title: Na'vi or Knave: Jailbreaking Language Models via Metaphorical Avatars
• Authors: Yu Yan, Sheng Sun, Junqi Tong, Min Liu, Qi Li,
• Abstract summary: We introduce a novel attack framework that exploits the imaginative capacity of Large Language Models (LLMs) to achieve jailbreaking. Specifically, AVATAR extracts harmful entities from a given harmful target and maps them to innocuous adversarial entities. Results demonstrate that AVATAR can effectively and transferablly jailbreak LLMs and achieve a state-of-the-art attack success rate.
• Score: 13.496824581458547
• License:
• Abstract: Metaphor serves as an implicit approach to convey information, while enabling the generalized comprehension of complex subjects. However, metaphor can potentially be exploited to bypass the safety alignment mechanisms of Large Language Models (LLMs), leading to the theft of harmful knowledge. In our study, we introduce a novel attack framework that exploits the imaginative capacity of LLMs to achieve jailbreaking, the J\underline{\textbf{A}}ilbreak \underline{\textbf{V}}ia \underline{\textbf{A}}dversarial Me\underline{\textbf{TA}} -pho\underline{\textbf{R}} (\textit{AVATAR}). Specifically, to elicit the harmful response, AVATAR extracts harmful entities from a given harmful target and maps them to innocuous adversarial entities based on LLM's imagination. Then, according to these metaphors, the harmful target is nested within human-like interaction for jailbreaking adaptively. Experimental results demonstrate that AVATAR can effectively and transferablly jailbreak LLMs and achieve a state-of-the-art attack success rate across multiple advanced LLMs. Our study exposes a security risk in LLMs from their endogenous imaginative capabilities. Furthermore, the analytical study reveals the vulnerability of LLM to adversarial metaphors and the necessity of developing defense methods against jailbreaking caused by the adversarial metaphor. \textcolor{orange}{ \textbf{Warning: This paper contains potentially harmful content from LLMs.}}

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