CVE-2023-25151

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Summary

CVECVE-2023-25151
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-02-08 20:15:00 UTC
Updated2023-03-14 15:35:00 UTC
Descriptionopentelemetry-go-contrib is a collection of extensions for OpenTelemetry-Go. The v0.38.0 release of `go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp` uses the `httpconv.ServerRequest` function to annotate metric measurements for the `http.server.request_content_length`, `http.server.response_content_length`, and `http.server.duration` instruments. The `ServerRequest` function sets the `http.target` attribute value to be the whole request URI (including the query string)[^1]. The metric instruments do not "forget" previous measurement attributes when `cumulative` temporality is used, this means the cardinality of the measurements allocated is directly correlated with the unique URIs handled. If the query string is constantly random, this will result in a constant increase in memory allocation that can be used in a denial-of-service attack. This issue has been addressed in version 0.39.0. Users are advised to upgrade. There are no known workarounds for this issue.

Risk And Classification

Problem Types: CWE-400

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cncf Opentelemetry-go Contrib 0.38.0 All All All
Application Linuxfoundation Opentelemetry-go Contrib 0.38.0 All All All

References

ReferenceSourceLinkTags
opentelemetry-go/http.go at v1.12.0 · open-telemetry/opentelemetry-go · GitHub MISC github.com
DoS vulnerability for high cardinality metrics in otelhttp and otelbeego · Advisory · open-telemetry/opentelemetry-go-contrib · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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