Nginx.0-Length.Headers.Leak.DoS
Description
This indicates an attack attempt to exploit a Denial of Service Vulnerability in nginx HTTP Server.
A remote, unauthenticated attacker can exploit this vulnerability on a vulnerable version of Nginx server. By sending a continuous steam of HTTP/2 HEADERS and/or CONTINUATION frames, the attacker can cause a significant resource exhaustion on the target server, and leading to a potential denial-of-service condition especially if a distributed network of source machines are employed.
Affected Products
nginx HTTP Server prior to 1.16.1
nginx HTTP Server prior to 1.17.3
Impact
Denial of Service: Remote attackers can crash vulnerable systems.
Recommended Actions
Apply the most recent upgrade or patch from the vendor.
https://www.nginx.com/blog/nginx-updates-mitigate-august-2019-http-2-vulnerabilities/
Telemetry
Coverage
IPS (Regular DB) | |
IPS (Extended DB) |
Version Updates
Date | Version | Detail |
---|---|---|
2023-11-07 | 26.672 | Sig Added |
2019-10-23 | 14.709 | Default_action:pass:drop |
2019-09-26 | 14.695 |