Executive Summary

Informations
Name CVE-2020-26290 First vendor Publication 2020-12-28
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Overall CVSS Score 9.6
Base Score 9.6 Environmental Score 9.6
impact SubScore 6 Temporal Score 9.6
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Changed Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26290

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

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/...
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/...
https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/...
https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf...
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/
Source Url

Alert History

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Date Informations
2024-11-28 13:42:44
  • Multiple Updates
2021-05-04 13:50:29
  • Multiple Updates
2021-04-22 03:02:25
  • Multiple Updates
2020-12-30 21:23:19
  • Multiple Updates
2020-12-29 00:22:49
  • First insertion