CVE-2020-27847
dexidp/dex: authentication bypass in saml authentication
Severidad por fuente
La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, GHSA, Red Hat.
Descripción
A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex versions before 2.27.0.
Paquetes afectados y versiones corregidas
| Fuente | Paquete | Corregido en |
|---|---|---|
| go::GitHub Security Advisory Go | github.com/dexidp/dex | 2.27.0 |
| chainguard | kots | 0 |
| rapidfort alpine 3.20 | dex | sin corrección indicada |
| rapidfort alpine 3.21 | dex | sin corrección indicada |
| rapidfort alpine 3.22 | dex | sin corrección indicada |
| rapidfort alpine 3.23 | dex | sin corrección indicada |
| rapidfort alpine 3.24 | dex | sin corrección indicada |
| wolfi | kots | 0 |
Referencias
- https://access.redhat.com/security/cve/CVE-2020-27847
- https://bugzilla.redhat.com/show_bug.cgi?id=1907732
- https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/
- https://nvd.nist.gov/vuln/detail/CVE-2020-27847
- https://www.cve.org/CVERecord?id=CVE-2020-27847