Created
February 27, 2019 13:14
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buffer overflow (stack smashing)
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| #include <stdio.h> | |
| #include <string.h> | |
| char password[] = "password"; | |
| int get_password() { | |
| int auth_ok = 0; | |
| char buff[16]; | |
| printf("Enter password: "); | |
| scanf("%s", buff); | |
| if(strncmp(buff, password, sizeof(password)) == 0) | |
| auth_ok = 1; | |
| return auth_ok; | |
| } | |
| void success() { | |
| printf("Success!\n"); | |
| } | |
| int main(int argc, char** argv) { | |
| int res = get_password(); | |
| if (res == 0) { | |
| printf("Failure\n"); | |
| return 0; | |
| } | |
| success(); | |
| return 0; | |
| } |
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