CVE编号
CVE-2022-21657利用情况
暂无补丁情况
N/A披露时间
2022-02-23漏洞描述
Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions Envoy does not restrict the set of certificates it accepts from the peer, either as a TLS client or a TLS server, to only those certificates that contain the necessary extendedKeyUsage (id-kp-serverAuth and id-kp-clientAuth, respectively). This means that a peer may present an e-mail certificate (e.g. id-kp-emailProtection), either as a leaf certificate or as a CA in the chain, and it will be accepted for TLS. This is particularly bad when combined with the issue described in pull request #630, in that it allows a Web PKI CA that is intended only for use with S/MIME, and thus exempted from audit or supervision, to issue TLS certificates that will be accepted by Envoy. As a result Envoy will trust upstream certificates that should not be trusted. There are no known workarounds to this issue. Users are advised to upgrade.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://github.com/envoyproxy/envoy/pull/630 | |
| https://github.com/envoyproxy/envoy/security/advisories/GHSA-837m-wjrv-vm5g |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | envoyproxy | envoy | * |
Up to (excluding) 1.18.6 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | envoyproxy | envoy | * |
From (including) 1.19.0 |
Up to (excluding) 1.19.3 |
||||
| 运行在以下环境 | |||||||||
| 应用 | envoyproxy | envoy | * |
From (including) 1.20.0 |
Up to (excluding) 1.20.2 |
||||
- 攻击路径 网络
- 攻击复杂度 低
- 权限要求 低
- 影响范围 未更改
- 用户交互 无
- 可用性 无
- 保密性 无
- 完整性 高
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