GHSA-vc29-vg52-6643 — DoS Vulnerability in...
HIGH
DoS Vulnerability in TraceContextPropagator.Extract - OpenTelemetry.Api
Published March 6, 2025Updated March 6, 2025Source: osv
Summary
### Impact
_What kind of vulnerability is it? Who is impacted?_
A vulnerability in `OpenTelemetry.Api` package `1.10.0` to `1.11.1` could cause a [Denial of Service (DoS) when a tracestate and traceparent header is received](https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-8785-wc3w-h8q6). These versions are used in OpenTelemetry .NET Automatic Instrumentation `1.10.0-beta.1` and `1.10.0`.
Even if an application does not explicitly use trace context propagation, receiving these headers can still trigger high CPU usage.
This issue impacts any application accessible over the web or backend services that process HTTP requests containing a tracestate header.
Application may experience excessive resource consumption, leading to increased latency, degraded performance, or downtime.
### Patches
_Has the problem been patched? What versions should users upgrade to?_
This issue has been resolved in `OpenTelemetry.Api` `1.11.2` by reverting the change that introduced the problematic behavior in versions `1.10.0` to `1.11.1`. OpenTelemetry .NET Automatic Instrumentation fixes it in `1.11.0` release.
## Fixed version
| OpenTelemetry .NET Automatic Instrumentation | Status |
|----|----|
| <= 1.9.0 | ✅ Not affected |
| 1.10.0-beta.1, 1.10.0 | ❌ Vulnerable |
| 1.11.0 (Fixed)| ✅ Safe to use|
### Workarounds
_Is there a way for users to fix or remediate the vulnerability without upgrading?_
### References
_Are there any links users can visit to find out more?_
Advisory Timeline
- First published March 6, 2025 (585 days ago).
- Last revised March 6, 2025 — 0 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
NuGet
Update OpenTelemetry.AutoInstrumentation to 1.11.0 or laterdotnet add package OpenTelemetry.AutoInstrumentation --version 1.11.0
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (1)
Affects 1 ecosystem: NuGet (1).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| OpenTelemetry.AutoInstrumentation | NuGet | 1.10.0 | 1.11.0 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-770Allocation of Resources Without LimitsMITRE
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/open-telemetry/opentelemetry-dotnet-instrumentation/security/advisories/GHSA-vc29-vg52-6643WEB
- https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-8785-wc3w-h8q6WEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-27513ADVISORY
- https://github.com/open-telemetry/opentelemetry-dotnet-instrumentationPACKAGE
Frequently Asked Questions
- What is GHSA-vc29-vg52-6643?
- DoS Vulnerability in TraceContextPropagator.Extract - OpenTelemetry.Api This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
- How do I check if my project is affected by GHSA-vc29-vg52-6643?
- GHSA-vc29-vg52-6643 affects OpenTelemetry.AutoInstrumentation. Use GeekWala's free vulnerability scanner to check your dependencies against GHSA-vc29-vg52-6643 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
7.5
High exploitability or significant impact. Prioritize remediation within days.
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