Path Traversal in Ollama Tensor Model Transfer Handler

Executive Summary

This vulnerability is a security flaw in the Ollama software up to version 0.20.2, specifically in the function digestToPath within the Tensor Model Transfer Handler component. The flaw allows an attacker to manipulate the 'digest' argument, which results in a path traversal attack. This means an attacker can potentially access files or directories outside the intended scope by crafting the input in a certain way.

The attack can be performed remotely but is considered to have high complexity and is difficult to exploit. Despite this, the exploit code has been publicly released, increasing the risk of attacks.

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Impact Analysis

This vulnerability can impact you by allowing an attacker to perform a path traversal attack remotely, potentially gaining unauthorized access to files or directories on the system running the vulnerable Ollama software. This could lead to exposure of sensitive data or unauthorized modification of files.

However, the attack is characterized by high complexity and is difficult to exploit, which may reduce the likelihood of successful exploitation.

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