CVE-2020-26290

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Summary

CVECVE-2020-26290
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-28 20:15:00 UTC
Updated2020-12-30 15:12:00 UTC
DescriptionDex 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).

Risk And Classification

Problem Types: CWE-347

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Linuxfoundation Dex All All All All
Application Linuxfoundation Dex All All All All

References

ReferenceSourceLinkTags
xml-roundtrip-validator/unstable-directives.md at master · mattermost/xml-roundtrip-validator · GitHub MISC github.com Not Applicable, Third Party Advisory
Critical security issues in XML encoding · Advisory · dexidp/dex · GitHub CONFIRM github.com Third Party Advisory
Release v2.27.0 · dexidp/dex · GitHub MISC github.com Third Party Advisory
Merge pull request from GHSA-m9hp-7r99-94h5 · dexidp/dex@324b1c8 · GitHub MISC github.com Patch, Third Party Advisory
xml-roundtrip-validator/unstable-attributes.md at master · mattermost/xml-roundtrip-validator · GitHub MISC github.com Not Applicable, Third Party Advisory
Coordinated disclosure of XML round-trip vulnerabilities in Go library MISC mattermost.com Not Applicable, Third Party Advisory
Signature Validation Bypass · Advisory · russellhaering/goxmldsig · GitHub MISC github.com Not Applicable, Third Party Advisory
xml-roundtrip-validator/unstable-elements.md at master · mattermost/xml-roundtrip-validator · GitHub MISC github.com Not Applicable, Third Party Advisory
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