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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTJ4MzItam05NS0yY3B4
Authentication Bypass in dex
A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex versions before 2.27.0.
Permalink: https://github.com/advisories/GHSA-2x32-jm95-2cpxJSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTJ4MzItam05NS0yY3B4
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 2 years ago
Updated: about 1 year ago
CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Identifiers: GHSA-2x32-jm95-2cpx, CVE-2020-27847
References:
- https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5
- https://nvd.nist.gov/vuln/detail/CVE-2020-27847
- https://bugzilla.redhat.com/show_bug.cgi?id=1907732
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/
- https://github.com/advisories/GHSA-2x32-jm95-2cpx
Blast Radius: 17.9
Affected Packages
go:github.com/dexidp/dex
Dependent packages: 46Dependent repositories: 67
Downloads:
Affected Version Ranges: < 2.27.0
Fixed in: 2.27.0
All affected versions: 0.1.0, 0.2.0, 0.2.1, 0.2.2, 0.2.3, 0.3.0, 0.4.0, 0.5.0, 0.5.1, 0.6.0, 0.6.1, 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.3.0, 2.3.1, 2.4.0, 2.4.1, 2.5.0, 2.6.0, 2.6.1, 2.7.0, 2.7.1, 2.8.0, 2.8.1, 2.9.0, 2.10.0, 2.11.0, 2.12.0, 2.13.0
All unaffected versions: