CVE编号
CVE-2020-1730利用情况
暂无补丁情况
官方补丁披露时间
2020-04-14漏洞描述
在libssh版本0.8.9之前和0.9.4之前的版本中，在处理AES-CTR（或DES密码，如果启用）密码的方式中发现了一个缺陷。如果尚未完全初始化连接，并且关闭连接时系统尝试清除密码，则服务器或客户端可能会崩溃。此漏洞的最大威胁是系统可用性。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://www.libssh.org/security/advisories/CVE-2020-1730.txt
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1730 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20200424-0001/ | |
| https://usn.ubuntu.com/4327-1/ | |
| https://www.libssh.org/security/advisories/CVE-2020-1730.txt | |
| https://www.oracle.com/security-alerts/cpuoct2020.html |
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 | libssh | libssh | * |
From (including) 0.8.0 |
Up to (excluding) 0.8.9 |
||||
| 运行在以下环境 | |||||||||
| 应用 | libssh | libssh | * |
From (including) 0.9.0 |
Up to (excluding) 0.9.4 |
||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | libssh | * |
Up to (excluding) 0.8.9-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | libssh | * |
Up to (excluding) 0.9.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | libssh | * |
Up to (excluding) 0.9.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | libssh | * |
Up to (excluding) 0.9.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | libssh | * |
Up to (excluding) 0.9.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | libssh | * |
Up to (excluding) 0.9.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | libssh | * |
Up to (excluding) 0.7.6-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | libssh | * |
Up to (excluding) 0.9.4-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | libssh | * |
Up to (excluding) 0.9.4-2.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | libssh | * |
Up to (excluding) 0.8.7-1+deb10u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | libssh | * |
Up to (excluding) 0.9.4-1.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | libssh | * |
Up to (excluding) 0.9.4-2.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | libssh | * |
Up to (excluding) 0.8.7-lp151.2.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libssh | * |
Up to (excluding) 0.9.4-2.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | libssh | * |
Up to (excluding) 0.9.4-2.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | libssh | * |
Up to (excluding) 0.8.7-3.9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | libssh | * |
Up to (excluding) 0.8.0~20170825.94fa1e38-1ubuntu0.6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_20 | libssh | * |
Up to (excluding) 0.8.7-1+deb10u1 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 100
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