HTTP/2 Rapid Reset Detection (CVE-2023-44487)
http2-rapid-reset is a critical severity check in the
web category, written in go.
Its source is templates/web/http/http2-rapid-reset.go in
cert-x-gen-templates.
What it checks
Section titled “What it checks”Detects servers vulnerable to HTTP/2 Rapid Reset DoS attack via RST_STREAM flood
Header
Section titled “Header”| Field | Value |
|---|---|
| Id | http2-rapid-reset |
| Severity | critical |
| Language | go |
| Category | web |
| Author | CERT-X-GEN Security Team |
| Template version | 1.0.0 |
| Confidence | 90 |
| CVSS | 7.5 |
| Weakness | CWE-400, CWE-770 |
| Tags | http2, rapid-reset, dos, cve-2023-44487, rst-stream |
| Target kind | not recorded |
| Oracle | not recorded |
References
Section titled “References”Declared in the header. cxg parses @references and then discards it, and
nothing at scan time reads it, so this is the only place the links a
template cites are surfaced.
- https://nvd.nist.gov/vuln/detail/CVE-2023-44487
- https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack
Run it
Section titled “Run it”To see what the copy on your machine says about itself, and to confirm it is installed at all:
cxg template info http2-rapid-resetThe id it prints is the one to pass anywhere a template is selected. See
cxg template for the rest of
the subcommand, Scan a target for running
a scan, and
A match is not a finding for how
to read what comes back.
Related
Section titled “Related”- Template catalog is the whole corpus.
- web is the rest of this category.
- Templates by weakness class groups checks by the defect they look for.
- Contribute a template is the route from a check you needed and could not find to a merged one.