Improper Validation Affecting github.com/dexidp/dex/connector/saml package, versions <2.27.0


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.29% (69th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMDEXIDPDEXCONNECTORSAML-1297180
  • published28 May 2021
  • disclosed28 May 2021
  • creditUnknown

Introduced: 28 May 2021

CVE-2020-27847  (opens in a new tab)
CWE-228  (opens in a new tab)

How to fix?

Upgrade github.com/dexidp/dex/connector/saml to version 2.27.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Validation. 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.

CVSS Scores

version 3.1