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0x41414141 in ?? ()
Personal blog · abiondo.mesecurityprogramming
0x41414141 in ?? () is a personal blog at abiondo.me about security and programming. Since 2018, 4 different Hacker News readers have linked it 4 times, most often “Exploiting the Math.expm1 typing bug in V8”. The last post was in 2020, but the archive is still widely read.
Too few sampled comments (2) to say how often HN recommends it.?
Why HN links it
HN readers link Andrea Biondo's writeups on exploiting Chrome V8 bugs in CTF challenges, such as the expm1 math bug. One commenter says they liked a writeup of the same CTF.
Summarised by Claude from a sample of 2 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Pwning, reversing, and other random security stuff.
Most-linked posts?
- Exploiting the Math.expm1 typing bug in V83 people · 3 mentions · first linked 2019-01-02
What Hacker News says?
It does for native arrays, at least: > This is the incorrect optimization we’re looking for. JavaScript array accesses are guarded by CheckBounds nodes, which ensure that the index falls within the array bounds. If the optimizer can determine statically that the index is always in-bounds, it can eliminate the CheckBounds node. Image tying the index to the result of Object.is: since the typing information is off, we…
Comment linking /2019/01/02/exploiting-math-expm1-v8/
on “Serious Chrome zero-day”Submitted Exploiting the Math.expm1 typing bug in V8 as a story · 155 points
HN discussionAndrea Biondo did a writeup of the same CTF which I liked a lot. https://abiondo.me/2019/01/02/exploiting-math-expm1-v8/ EDIT: Previous HN discussion on Andrea's writeup: https://news.ycombinator.com/item?id=18808488
Comment linking /2019/01/02/exploiting-math-expm1-v8/
on “Exploiting Chrome V8: Krautflare”Submitted Improving AFL's QEMU mode performance as a story · 1 points
HN discussion