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hacktricks/pentesting-web/integer-overflow.md
Carlos Polop a268747dc2 A
2024-02-09 08:14:36 +01:00

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Integer Overflow

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{% tabs %} {% tab title="Rust" %}

fn main() {

    let mut quantity = 2147483647;
    
    let (mul_result, _) = i32::overflowing_mul(32767, quantity);
    let (add_result, _) = i32::overflowing_add(1, quantity);
    
    println!("{}", mul_result);
    println!("{}", add_result);
}

{% endtab %}

{% tab title="C" %}

#include <stdio.h>
#include <limits.h>

int main() {
    int a = INT_MAX;
    int b = 0;
    int c = 0;
    
    b = a * 100;
    c = a + 1;
    
    printf("%d\n", INT_MAX);
    printf("%d\n", b);
    printf("%d\n", c);
    return 0;
}

{% endtab %} {% endtabs %}

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