CVE-2021-41278— EdgeX Foundry 加密问题漏洞
一分钟漏洞结论
影响对象
edgexfoundry app-functions-sdk-go
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
EdgeX Foundry是一个开源项目，用于构建物联网边缘计算的通用开放框架。 EdgeX 的函数 SDK 存在加密问题漏洞，该漏洞允许攻击者通过未指定的向量解密消息。
可能的 ATT&CK 技术 1 AI
T1552.004 · Private Keys
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一、 漏洞 CVE-2021-41278 基础信息
漏洞信息
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Vulnerability Title
Broken encryption in app-functions-sdk “AES” transform in EdgeX Foundry releases prior to Jakarta allows attackers to decrypt messages via unspecified vectors
来源: CVE Program / CVE List V5
Vulnerability Description
Functions SDK for EdgeX is meant to provide all the plumbing necessary for developers to get started in processing/transforming/exporting data out of the EdgeX IoT platform. In affected versions broken encryption in app-functions-sdk “AES” transform in EdgeX Foundry releases prior to Jakarta allows attackers to decrypt messages via unspecified vectors. The app-functions-sdk exports an “aes” transform that user scripts can optionally call to encrypt data in the processing pipeline. No decrypt function is provided. Encryption is not enabled by default, but if used, the level of protection may be less than the user may expects due to a broken implementation. Version v2.1.0 (EdgeX Foundry Jakarta release and later) of app-functions-sdk-go/v2 deprecates the “aes” transform and provides an improved “aes256” transform in its place. The broken implementation will remain in a deprecated state until it is removed in the next EdgeX major release to avoid breakage of existing software that depends on the broken implementation. As the broken transform is a library function that is not invoked by default, users who do not use the AES transform in their processing pipelines are unaffected. Those that are affected are urged to upgrade to the Jakarta EdgeX release and modify processing pipelines to use the new "aes256" transform.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
来源: CVE Program / CVE List V5
Vulnerability Title
EdgeX Foundry 加密问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
EdgeX Foundry是一个开源项目，用于构建物联网边缘计算的通用开放框架。 EdgeX 的函数 SDK 存在加密问题漏洞，该漏洞允许攻击者通过未指定的向量解密消息。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| edgexfoundry | app-functions-sdk-go | < 2.1.0 | - |
|
二、漏洞 CVE-2021-41278 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | Metabase任意文件读取漏洞批量扫描工具 | https://github.com/FDlucifer/CVE-2021-41278 | POC详情 |
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CVE-2021-41278 补丁与修复 (1)
CVE-2021-41278 厂商安全公告 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2021-41278
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