CVE-2026-47074— ex_aws_sns verify_message/1未验证SigningCertURL
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一、 漏洞 CVE-2026-47074 基础信息
漏洞信息
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Vulnerability Title
ex_aws_sns SigningCertURL not validated in verify_message/1
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
Improper Certificate Validation vulnerability in ex-aws ex_aws_sns (ExAws.SNS, ExAws.SNS.PublicKeyCache modules) allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/ex_aws/sns.ex, lib/ex_aws/sns/public_key_cache.ex and program routines 'Elixir.ExAws.SNS':verify_message/1, 'Elixir.ExAws.SNS.PublicKeyCache':get/1. 'Elixir.ExAws.SNS':verify_message/1 fetches the signing certificate from the SigningCertURL field of the incoming SNS message without validating that the URL uses HTTPS or that the host matches an AWS-owned SNS certificate domain. An unauthenticated attacker who can POST to an endpoint that calls verify_message/1 can supply an attacker-controlled SigningCertURL, sign a forged SNS message with their own key, and cause the function to return :ok, completely bypassing SNS signature verification. This issue affects ex_aws_sns: from 2.0.1 before 2.3.5.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
证书验证不恰当
来源: 美国国家漏洞数据库 NVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| ex-aws | ex_aws_sns | 2.0.1 ~ 2.3.5 | cpe:2.3:a:ex_aws_sns_project:ex_aws_sns:*:*:*:*:*:*:*:* | |
| ex-aws | ex_aws_sns | a7ec21880943f4dac1d59bda557db0ffcd2b61fa ~ 1853d280b152d10384a1e21a22cf22152a60be48 | cpe:2.3:a:ex_aws_sns_project:ex_aws_sns:*:*:*:*:*:*:*:* |
二、漏洞 CVE-2026-47074 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-47074 厂商安全公告 (2)
CVE-2026-47074 其他参考 (1)
- 🔗 EEF-CVE-2026-47074 - OSVrelated
IV. Related Vulnerabilities
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