CVE-2020-5415: GitLab auth uses full name instead of username as user ID, allowing impersonation

CVE-2020-5415 · Severity: low · CVSS 3.1 · Published 2021-12-20

GitLab auth uses full name instead of username as user ID, allowing impersonation

Technologies: github.com/concourse/concourse (Go). Vendors: Go.

Quick answers

Is CVE-2020-5415 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-5415 being exploited in the wild.
How severe is CVE-2020-5415?
Low severity, with a CVSS score of 3.1, published 20 December 2021.
Which products and versions are affected?
github.com/concourse/concourse (Go) SEMVER:introduced=6.4.0,fixed=6.4.1; github.com/concourse/dex (Go) SEMVER:introduced=6.4.0,fixed=6.4.1.
Is there a fix for CVE-2020-5415?
Yes. github.com/concourse/concourse (Go): upgrade to 6.4.1 or later; github.com/concourse/dex (Go): upgrade to 6.4.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-5415?
Check whether you run github.com/concourse/concourse (Go) or github.com/concourse/dex (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/concourse/concourse (Go): upgrade to 6.4.1 or later
    go get github.com/concourse/concourse@v6.4.1
  • github.com/concourse/dex (Go): upgrade to 6.4.1 or later
    go get github.com/concourse/dex@v6.4.1

Affected products

  • github.com/concourse/concourse (Go) SEMVER:introduced=6.4.0,fixed=6.4.1
  • github.com/concourse/dex (Go) SEMVER:introduced=6.4.0,fixed=6.4.1

Identifiers

  • CVE-2020-5415
  • GHSA-627p-rr78-99rj

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