lectures.alex.balgavy.eu

Lecture notes from university.
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format-strings.md (315B)

      1 +++
      2 title = 'Format strings'
      3 +++
      4 # Format strings
      5 e.g. in `printf`.
      6 
      7 `printf` looks at registers, then stack.
      8 - if user controls format string, can leak info
      9 - `%P$c`: read character at position P
     10 - `%n`: stores corrent length of string. use `$` and width modifiers to write data to some address
     11 
     12 arbitrary write!
     13