CVE-2020-26290criticalCWE-347

CVE-2020-26290: fallo crítico en dexidp dex

Critical security issues in XML encoding in Dex

Publicada el 28 dic 2020 · Actualizada el 04 ago 2024

Seguir esta CVE + Monitorear dex + Monitorear github.com/russellhaering/goxmldsig

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

28Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 9.3epss 1.0%

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

CVEs relacionadas — dexidp dex

En el mismo producto, de las más peligrosas a las menos.

CVE-2022-39222CRITICALOAuth authorization code exposure in DexEPSS 1.6%CVE-2024-23656HIGHDex 2.37.0 is discarding TLSconfig and always serves deprecated TLS 1.0/1.1 and insecure ciphersEPSS 0.4%

Referencias

https://github.com/dexidp/dex/commit/324b1c886b407594196113a3dbddebe38eecd4e8 https://github.com/dexidp/dex/releases/tag/v2.27.0 https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5 https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-directives.md https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7 https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/