diff --git a/content/posts/espionage_pwn.md b/content/posts/espionage_pwn.md index 842ac05..445cfa6 100644 --- a/content/posts/espionage_pwn.md +++ b/content/posts/espionage_pwn.md @@ -2,7 +2,7 @@ title: ISSessions Espionage CTF 2024 - pwn challenge writeups slug: espionage-pwn-2024 date: 2024-01-28 -author: kako57 +author: drec description: crazy solutions inside --- @@ -91,7 +91,7 @@ Then, `fTemp` is set to `cTemp * 2 + 32`. If `cTemp` is negative, then `fTemp` will be negative, right? Well, not quite. If we can make `cTemp` negative enough, -then `cTemp * 2` will overflow, and the result will be positive. +then `cTemp * 2` will underflow, and the result will be positive. ### How can `fTemp` be positive?