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  1. Hue
  2. HUE-3626

Regex Tightening to Resolve URL Redirection Vulnerability

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.8.0
    • Fix Version/s: 3.10.0
    • Component/s: core.backend
    • Labels:
      None
    • Easy:
      Easy

      Description

      After a successful login, HUE allows redirection to an arbitrary site by modifying the site "<malicious.com>" in the URL: http://<my hue site>/accounts/login/?next=//<malicious.com>.

      Since the attacker is allowed to fully control the name of the destination site, this could be used to mount a phishing attack against http://<my hue site>'s users, such as requiring the users to re-enter their credentials at the new site.

      This patch tightens the redirect_whitelist configuration default value to "^(\/[a-zA-Z0-9]+.*|\/)$”, and limits all redirections to the same host where HUE is running by default to prevent phishing attacks.

      https://issues.cloudera.org/browse/HUE-2485 partially addressed the URL redirection issue, but this further mitigates the risk.

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              • Assignee:
                alphaskade Chris Addis
                Reporter:
                alphaskade Chris Addis
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