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Use of Incorrectly-Resolved Name or Reference


Severity High
Score 7.5/10


Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio prior to 1.9.8, 1.10.x prior to 1.10.4, and 1.11.x prior to 1.11.1 contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio's URI path based authorization policies. As a work around a Lua filter may be written to normalize the path.

  • LOW
  • NONE
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-706 - Use of Incorrectly-Resolved Name or Reference

The software uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.

Advisory Timeline

  • Published