ms-swift vision_utils.py Path Traversal Vulnerability & Fix

Key Vulnerability Information Summary Vulnerability Overview This page displays the source code of the file in the project, which contains a function named that has a Path Traversal vulnerability. Scope of Impact File: Function: Risk: This function is used to validate paths. If the validation logic is flawed, an attacker may bypass the check by constructing special paths (e.g., ), leading to the reading or writing of unintended files. Remediation 1. Path Normalization: Use or to normalize the path, eliminating relative path elements such as . 2. Whitelist Validation: Validate that the path lies under an allowed root directory (e.g., ). 3. Reject Special Characters: Perform strict checks on characters such as , , and within the path. POC / Exploit Code ```python def find_closest_aspect_ratio(target_ratio, target_ratios, width, height, image_size): best_ratio_diff = float("inf") best_ratio = (1, 1) area = width height for ratio in target_ratios: target_aspect_ratio = ratio[0] / ratio[1] ratio_diff = abs(target_aspect_ratio - target_ratio) if ratio_diff < best_ratio_diff: best_ratio_diff = ratio_diff best_ratio = ratio if area < (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) image_size, (1 & (target_width // image_size) imag

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ms-swift vision_utils.py Path Traversal Vulnerability & Fix

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