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).
References
Link | Resource |
---|---|
https://github.com/dexidp/dex/commit/324b1c886b407594196113a3dbddebe38eecd4e8 | Patch Third Party Advisory |
https://github.com/dexidp/dex/releases/tag/v2.27.0 | Third Party Advisory |
https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5 | Third Party Advisory |
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md | Not Applicable Third Party Advisory |
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-directives.md | Not Applicable Third Party Advisory |
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-elements.md | Not Applicable Third Party Advisory |
https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7 | Not Applicable Third Party Advisory |
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ | Not Applicable Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: GitHub_M
Published: 2020-12-28T19:15:17
Updated: 2020-12-28T19:15:17
Reserved: 2020-10-01T00:00:00
Link: CVE-2020-26290
JSON object: View
NVD Information
Status : Analyzed
Published: 2020-12-28T20:15:12.493
Modified: 2020-12-30T15:12:28.477
Link: CVE-2020-26290
JSON object: View
Redhat Information
No data.
CWE