CVE-2023-27594— Cilium 授权问题漏洞
可能的 ATT&CK 技术 1AI
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一、 漏洞 CVE-2023-27594 基础信息
漏洞信息
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Vulnerability Title
Cilium vulnerable to potential network policy bypass when routing IPv6 traffic
来源: CVE Program / CVE List V5
Vulnerability Description
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.11.15, 1.12.8, and 1.13.1, under specific conditions, Cilium may misattribute the source IP address of traffic to a cluster, identifying external traffic as coming from the host on which Cilium is running. As a consequence, network policies for that cluster might be bypassed, depending on the specific network policies enabled. This issue only manifests when Cilium is routing IPv6 traffic and NodePorts are used to route traffic to pods. IPv6 and endpoint routes are both disabled by default. The problem has been fixed and is available on versions 1.11.15, 1.12.8, and 1.13.1. As a workaround, disable IPv6 routing.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
Cilium 授权问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cilium是一个开源软件。用于提供和透明地保护应用程序工作负载（如应用程序容器或进程）之间的网络连接和负载平衡。 Cilium 1.11.14版本及之前版本、1.12.7版本及之前版本、1.13.0版本存在授权问题漏洞，该漏洞源于Cilium会将流量的源IP地址错误地分配给集群。
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
二、漏洞 CVE-2023-27594 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2023-27594 厂商安全公告 (1)
- https://github.com/cilium/cilium/security/advisories/GHSA-8fg8-jh2h-f2hcx_refsource_CONFIRM
CVE-2023-27594 其他参考 (3)
- https://github.com/cilium/cilium/releases/tag/v1.12.8x_refsource_MISC
- https://github.com/cilium/cilium/releases/tag/v1.13.1x_refsource_MISC
- https://github.com/cilium/cilium/releases/tag/v1.11.15x_refsource_MISC
同批安全公告 · cilium · 2023-03-17 · 共 3 条
| CVE-2023-27595 | 6.5 MEDIUM | Cilium 安全漏洞 |
| CVE-2023-27593 | 4.4 MEDIUM | Cilium 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2023-27594
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