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CVE-2020-5401: Cloud Foundry GoRouter is vulnerable to cache poisoning

By: | February 24, 2020

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Severity

Medium

Vendor

Cloud Foundry Foundation

Description

Cloud Foundry Routing Release, versions prior to 0.197.0, contains GoRouter, which allows malicious clients to send invalid headers, causing caching layers to reject subsequent legitimate clients trying to access the app.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • CF Deployment
    • All versions prior to v12.27.0
  • Routing Release
    • All versions prior to 0.197.0

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below.

The Cloud Foundry project recommends upgrading the following releases:

  • CF Deployment
    • Upgrade versions to v12.27.0 or greater
  • Routing Release
    • Upgrade versions to 0.197.0 or greater

Credit

This issue was responsibly reported by Nathan Davison.

History

2020-02-24: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR

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