CVE-2020-26290: Critical security issues in XML encoding in github.com/dexidp/dex

CVE-2020-26290 · Severity: low · CVSS 3.1 · Published 2021-12-20

Critical security issues in XML encoding in github.com/dexidp/dex

Technologies: github.com/dexidp/dex (Go), github.com/russellhaering/goxmldsig (Go). Vendors: Go.

Quick answers

Is CVE-2020-26290 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-26290 being exploited in the wild.
How severe is CVE-2020-26290?
Low severity, with a CVSS score of 3.1, published 20 December 2021.
Which products and versions are affected?
github.com/dexidp/dex (Go) SEMVER:introduced=0,fixed=2.27.0; github.com/russellhaering/goxmldsig (Go) SEMVER:introduced=0,fixed=1.1.0.
Is there a fix for CVE-2020-26290?
Yes. github.com/dexidp/dex (Go): upgrade to 2.27.0 or later; github.com/russellhaering/goxmldsig (Go): upgrade to 1.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-26290?
Check whether you run github.com/dexidp/dex (Go) or github.com/russellhaering/goxmldsig (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/dexidp/dex (Go): upgrade to 2.27.0 or later
    go get github.com/dexidp/dex@v2.27.0
  • github.com/russellhaering/goxmldsig (Go): upgrade to 1.1.0 or later
    go get github.com/russellhaering/goxmldsig@v1.1.0

Affected products

  • github.com/dexidp/dex (Go) SEMVER:introduced=0,fixed=2.27.0
  • github.com/russellhaering/goxmldsig (Go) SEMVER:introduced=0,fixed=1.1.0

Identifiers

  • CVE-2020-26290
  • CVE-2020-27847
  • GHSA-2x32-jm95-2cpx
  • GHSA-m9hp-7r99-94h5

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