CVE-2020-26290criticalCWE-347

CVE-2020-26290: falha crítica em dexidp dex

Critical security issues in XML encoding in Dex

Publicada em 28 dez 2020 · Atualizada em 04 ago 2024

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28Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

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

Produtos afetados

dexidp · dex

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Referências

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/