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CVE-2021-39143

Path Traversal in spinnaker

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.26.7, 1.25.7, 1.24.7
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

Spinnaker is an open source, multi-cloud continuous delivery platform. A path traversal vulnerability was discovered in uses of TAR files by AppEngine for deployments. This uses a utility to extract files locally for deployment without validating the paths in that deployment don't override system files. This would allow an attacker to override files on the container, POTENTIALLY introducing a MITM type attack vector by replacing libraries or injecting wrapper files. Users are advised to update as soon as possible. For users unable to update disable Google AppEngine deployments and/or disable artifacts that provide TARs.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • spinnaker spinnaker

    From 1.26.0 · fixed in 1.26.7; From 1.25.0 · fixed in 1.25.7; fixed in 1.24.7

References 1

GitHub · spinnaker/spinnaker