- Published on
Sending a shebang to let fexecve execute a command for us and get the flag.
Amateurctf23
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- Published on
Crafting a custom ELF binary in assembly to execute /bin/sh and inject that inside the file descriptor using memfd_create and fexecve.- Published on
Exploiting srand(time(NULL)) to match the generated canary and then overflowing a buffer by generating another random number.- Published on
Utilizing LFI in the theme parameter to get the flag.- Published on
Utilizing Latex to read files from the local system.- Published on
Utilizing integer overflow in the cookie to make the web-app wait for -inf time.