CVE-2024-45806— Envoy 安全漏洞
一分钟漏洞结论
影响对象
envoyproxy envoy
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
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。
Envoy是Enphase开源的一款用于连接智能家居设备的网关程序。 Envoy 1.32.0之前版本存在安全漏洞，该漏洞源于允许外部客户端操纵Envoy标头，会导致网格内的未经授权的访问或其他恶意操作。
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一、 漏洞 CVE-2024-45806 基础信息
漏洞信息
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Vulnerability Title
Potential manipulate `x-envoy` headers from external sources in envoy
来源: CVE Program / CVE List V5
Vulnerability Description
Envoy is a cloud-native high-performance edge/middle/service proxy. A security vulnerability in Envoy allows external clients to manipulate Envoy headers, potentially leading to unauthorized access or other malicious actions within the mesh. This issue arises due to Envoy's default configuration of internal trust boundaries, which considers all RFC1918 private address ranges as internal. The default behavior for handling internal addresses in Envoy has been changed. Previously, RFC1918 IP addresses were automatically considered internal, even if the internal_address_config was empty. The default configuration of Envoy will continue to trust internal addresses while in this release and it will not trust them by default in next release. If you have tooling such as probes on your private network which need to be treated as trusted (e.g. changing arbitrary x-envoy headers) please explicitly include those addresses or CIDR ranges into `internal_address_config`. Successful exploitation could allow attackers to bypass security controls, access sensitive data, or disrupt services within the mesh, like Istio. This issue has been addressed in versions 1.31.2, 1.30.6, 1.29.9, and 1.28.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
来源: CVE Program / CVE List V5
Vulnerability Title
Envoy 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Envoy是Enphase开源的一款用于连接智能家居设备的网关程序。 Envoy 1.32.0之前版本存在安全漏洞，该漏洞源于允许外部客户端操纵Envoy标头，会导致网格内的未经授权的访问或其他恶意操作。
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 |
|---|---|---|---|---|
| envoyproxy | envoy | >= 1.31.0, < 1.31.2 | - |
|
二、漏洞 CVE-2024-45806 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2024-45806 厂商安全公告 (1)
同批安全公告 · envoyproxy · 2024-09-19 · 共 5 条
| CVE-2024-45807 | 7.5 HIGH | Envoy 安全漏洞 |
| CVE-2024-45810 | 6.5 MEDIUM | Envoy 缓冲区错误漏洞 |
| CVE-2024-45808 | 6.5 MEDIUM | Envoy 安全漏洞 |
| CVE-2024-45809 | 5.3 MEDIUM | Envoy 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2024-45806
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