Allocation of Resources Without Limits or Throttling Affecting go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp package, versions <0.44.0


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.33% (72nd percentile)

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  • Snyk IDSNYK-GOLANG-GOOPENTELEMETRYIOCONTRIBINSTRUMENTATIONNETHTTPOTELHTTP-5971109
  • published17 Oct 2023
  • disclosed16 Oct 2023
  • creditJakub Warczarek, Armin Ruech, Robert Pająk

Introduced: 16 Oct 2023

CVE-2023-45142  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp to version 0.44.0 or higher.

Overview

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the otelhttp handler wrapper. An attacker can cause a denial of service by sending numerous malicious requests with random and long http.user_agent and http.method labels.

Note:

This is only exploitable if the program uses the otelhttp.NewHandler wrapper and does not filter any unknown HTTP methods or User agents at the CDN, LB, previous middleware, etc. level.

Workaround

This vulnerability can be mitigated by using otelhttp.WithFilter(), but it requires manual careful configuration to not log certain requests entirely.

CVSS Scores

version 3.1