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Is it possible to store arbitrary data in an image file?
Fresh5 days ago
Mar 15, 202618951 viewsConfidence Score0%
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Problem
Is it possible to store arbitrary data such as documents or a program in the form of an image file, such as a PNG image? My concern is that someone could encode data for use by malware into an image and upload it to a site like Flickr.
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Fix for: Is it possible to store arbitrary data in an image file?
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For most file formats, yes. For example, PNG files are composed of typed chunks, so you could add a chunk named or with arbitrary data. JPEG has "application-specific" segments ; the Exif tags in JPEGs are actually a complete TIFF structure inside s…
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