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CVE-2024-45043— OpenTelemetry Collector AWS Firehose Receiver Authentication Bypass Vulnerability

Quick assessment

Affected
open-telemetry opentelemetry-collector-contrib
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenTelemetry Collector是OpenTelemetry项目的一个用于接收、处理和导出遥测数据的软件。 OpenTelemetry Collector 存在安全漏洞，该漏洞源于允许未经身份验证的远程请求。

CVSS 5.3 · Medium EPSS 0.49% · P40
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I. Basic Information for CVE-2024-45043

Vulnerability Information
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Vulnerability Title
OpenTelemetry Collector AWS Firehose Receiver Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
The OpenTelemetry Collector module AWS firehose receiver is for ingesting AWS Kinesis Data Firehose delivery stream messages and parsing the records received based on the configured record type. `awsfirehosereceiver` allows unauthenticated remote requests, even when configured to require a key. OpenTelemetry Collector can be configured to receive CloudWatch metrics via an AWS Firehose Stream. Firehose sets the header `X-Amz-Firehose-Access-Key` with an arbitrary configured string. The OpenTelemetry Collector awsfirehosereceiver can optionally be configured to require this key on incoming requests. However, when this is configured it **still accepts incoming requests with no key**. Only OpenTelemetry Collector users configured with the “alpha” `awsfirehosereceiver` module are affected. This module was added in version v0.49.0 of the “Contrib” distribution (or may be included in custom builds). There is a risk of unauthorized users writing metrics. Carefully crafted metrics could hide other malicious activity. There is no risk of exfiltrating data. It’s likely these endpoints will be exposed to the public internet, as Firehose does not support private HTTP endpoints. A fix was introduced in PR #34847 and released with v0.108.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
OpenTelemetry Collector 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenTelemetry Collector是OpenTelemetry项目的一个用于接收、处理和导出遥测数据的软件。 OpenTelemetry Collector 存在安全漏洞，该漏洞源于允许未经身份验证的远程请求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
open-telemetry opentelemetry-collector-contrib >= 0.49.0, < 0.108.0 -

II. Public POCs for CVE-2024-45043

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III. Intelligence Information for CVE-2024-45043

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Vendor Advisories for CVE-2024-45043 (1)

Vendor Pages for CVE-2024-45043 (4)

IV. Related Vulnerabilities

Same product: opentelemetry-collector-contrib
Same vendor: open-telemetry
Same weakness: CWE-200

V. Comments for CVE-2024-45043

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