Exposure of Sensitive Information to an Unauthorized Actor
Pomerium is an identity-aware access proxy. In distributed service mode, Pomerium's Authenticate service exposes pprof debug and prometheus metrics handlers to untrusted traffic. Pomerium 0.16.0 up to 0.17.0 can leak potentially sensitive environmental information or lead to limited denial of service conditions. This issue is patched in version v0.17.1 Workarounds: Block access to `/debug` and `/metrics` paths on the authenticate service. This can be done with any L7 proxy, including Pomerium's own proxy service.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.