Authentication Bypass with Session Flow
auth-bypass-flow is a critical severity check in the
web category, written in yaml.
Its source is templates/web/auth-bypass/auth-bypass-flow.yaml in
cert-x-gen-templates.
What it checks
Section titled “What it checks”Tests for authentication bypass vulnerabilities using multi-step flows. Attempts to access protected resources without proper authentication.
Header
Section titled “Header”| Field | Value |
|---|---|
| Id | auth-bypass-flow |
| Severity | critical |
| Language | yaml |
| Category | web |
| Author | CERT-X-GEN Security Team |
| Template version | not recorded |
| Confidence | 90 |
| CVSS | not recorded |
| Weakness | CWE-287 |
| Tags | authentication, authorization, bypass, owasp-a01, access-control, web |
| Target kind | not recorded |
| Oracle | not recorded |
The file declares flows as well. Those are not tabled above; read the
source for what they carry.
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://cwe.mitre.org/data/definitions/287.html
- https://owasp.org/www-community/attacks/Bypassing_Authentication
- https://portswigger.net/web-security/authentication
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 auth-bypass-flowThe 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.