An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS option(s) that DNSdist did not filter.
An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS option(s) that DNSdist did not filter.
왜 이 VPI인가 (설명가능 · 실험적)
VPI 산정 기준
| 영향도 | 37.00 |
| 악용 신호(추가 악용신호 없음) | ×1.00 |
| VPI | 37.00 |
VPI 공식 vpi-v1 기준