如果在 Jumpserver 中启用了 MFA，则无需私钥质询即可进行 SSH 公钥登录 (CVE-2023-42818)
CVE编号
CVE-2023-42818利用情况
暂无补丁情况
N/A披露时间
2023-09-28漏洞描述
JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication against the SSH service This issue has been patched in versions 3.6.5 and 3.5.6. Users are advised to upgrade. There are no known workarounds for this issue.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/jumpserver/jumpserver/security/advisories/GHSA-jv3c-27cv-w8jv |
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 | fit2cloud | jumpserver | * | Up to (excluding) 3.5.6 | |||||
| 运行在以下环境 | |||||||||
| 应用 | fit2cloud | jumpserver | * | From (including) 3.6.0 | Up to (excluding) 3.6.5 | ||||
- 攻击路径 网络
- 攻击复杂度 低
- 权限要求 无
- 影响范围 未更改
- 用户交互 无
- 可用性 高
- 保密性 高
- 完整性 高
| CWE-ID | 漏洞类型 |
| CWE-287 | 认证机制不恰当 |
| CWE-307 | 过多认证尝试的限制不恰当 |
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