Synapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decoders

ImpactIn Synapse versions before 1.120.1, enabling the dynamicthumbnails option or processing a specially crafted request could trigger the decoding and thumbnail generation of uncommon image formats, potentially invoking external tools like Ghostscript for processing.This significantly expands t...

LearnHouse 安全漏洞

LearnHouse is an online learning management system open-sourced by LearnHouse. LearnHouse has a security vulnerability that stems from an insufficient restriction of the parameter thumbnail in the component Course Thumbnail Handler in files/api/v1/courses/, which could lead to arbitrary file...