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

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.29% (70th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMDEXIDPDEXCONNECTORSAML-1297180
  • published 28 May 2021
  • disclosed 28 May 2021
  • credit Unknown

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
Expand this section

Snyk

Recommended
9.8 critical
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

NVD

9.8 critical