Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. The vulnerability is due to incorrect handling of specific HTTP header parameters. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured file policy for HTTP packets and deliver a malicious payload.
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Snort | Ubuntu | bionic | * |
| Snort | Ubuntu | impish | * |
| Snort | Ubuntu | kinetic | * |
| Snort | Ubuntu | lunar | * |
| Snort | Ubuntu | mantic | * |
| Snort | Ubuntu | trusty | * |
| Snort | Ubuntu | trusty/esm | * |
| Snort | Ubuntu | xenial | * |