177
Just about every Windows and Linux device vulnerable to new LogoFAIL firmware attack
(arstechnica.com)
this post was submitted on 06 Dec 2023
177 points (95.9% liked)
Technology
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How do you fuck up a bitmap parser? It's an array. There's no metadata. You allocate the filesize!
It's all fun and games until the user has bit rot or some stupid thing is offset by one or a row doesn't exist somewhere and you have to correct for it
A corrupted bitmap should only look ugly. There is no decoding or compression - only translation, and sometimes not even that.
A bitmap is the platonic ideal of a buffer overrun being comically obvious and trivially preventable.