CVE-2020-5409

Medium

Description

Pivotal Concourse, most versions prior to 6.0.0, allows redirects to untrusted websites in its login flow. A remote unauthenticated attacker could convince a user to click on a link using the OAuth redirect link with an untrusted website and gain access to that user's access token in Concourse. (This issue is similar to, but distinct from, CVE-2018-15798.)

SeverityMedium
CVSS6.1
Exploit probability—
ProductPivotal Software Concourse
PublishedMay 14, 2020
First seenMay 14, 2020

How to fix

Update
  • pivotal_software concourse5.2.8, 5.5.10, 5.8.1 or later

Affected products

ProductAffected versionsFixed in
pivotal_software concoursev < 5.2.8, 5.3.0 ≤ v < 5.5.10, 5.6.0 ≤ v < 5.8.15.2.8, 5.5.10, 5.8.1

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