CVE-2020-26290
Critical security issues in XML encoding in Dex
Dex is a federated OpenID Connect provider written in Go. In Dex before version 2.27.0 there is a critical set of vulnerabilities which impacts users leveraging the SAML connector. The vulnerabilities enables potential signature bypass due to issues with XML encoding in the underlying Go library. The vulnerabilities have been addressed in version 2.27.0 by using the xml-roundtrip-validator from Mattermost (see related references).
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Productos afectados
dexidp · dex¿Quieres saber si tu infraestructura está expuesta a esto?
Hablar con TrueHacking →Referencias
https://github.com/dexidp/dex/commit/324b1c886b407594196113a3dbddebe38eecd4e8https://github.com/dexidp/dex/releases/tag/v2.27.0https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.mdhttps://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-directives.mdhttps://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.mdhttps://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/