CVE编号
CVE-2016-0739利用情况
暂无补丁情况
官方补丁披露时间
2016-04-14漏洞描述
libssh是一个用于访问SSH服务的C语言开发包，它能够执行远程命令、文件传输，同时为远程的程序提供安全的传输通道。libssh 0.7.3之前版本中存在类型混淆漏洞，该漏洞源于程序生成diffie-hellman算法的临时密钥时存在类型混淆错误。攻击者可利用该漏洞通过实施中间人攻击泄露并操纵SSH会话通信。
解决建议
目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接：https://www.libssh.org/security/advisories/CVE-2016-0739.txt
参考链接 |
|
|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178058.html | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178822.html | |
| http://lists.opensuse.org/opensuse-updates/2016-03/msg00111.html | |
| http://rhn.redhat.com/errata/RHSA-2016-0566.html | |
| http://www.debian.org/security/2016/dsa-3488 | |
| http://www.ubuntu.com/usn/USN-2912-1 | |
| https://puppet.com/security/cve/CVE-2016-0739 | |
| https://security.gentoo.org/glsa/201606-12 | |
| https://www.libssh.org/2016/02/23/libssh-0-7-3-security-and-bugfix-release/ | |
| https://www.libssh.org/security/advisories/CVE-2016-0739.txt |
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 | * |
Up to (including) 0.7.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 12.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 14.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 15.10 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 8.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | DPKG | * |
Up to (excluding) 0.6.3-4.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_6 | libssh | * |
Up to (excluding) 0.4.5-3+squeeze3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | libssh | * |
Up to (excluding) 0.5.4-1+deb7u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | libssh | * |
Up to (excluding) 0.6.3-4+deb8u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 22 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 23 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_22 | libssh | * |
Up to (excluding) 0.7.3-1.fc22 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_23 | libssh | * |
Up to (excluding) 0.7.3-1.fc23 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_6 | libssh | * |
Up to (excluding) 0.5.5-5.el6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | libssh | * |
Up to (excluding) 0.6.5-2.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_13.2 | libssh | * |
Up to (excluding) 0.6.3-2.10.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.1 | libssh | * |
Up to (excluding) 0.6.3-10.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | sles_11_SP4 | libssh | * |
Up to (excluding) 0.2-5.22.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | libssh | * |
Up to (excluding) 0.6.3-11.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | libssh4 | * |
Up to (excluding) 0.6.3-11 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP1 | libssh | * |
Up to (excluding) 0.6.3-11.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | libssh | * |
Up to (excluding) 0.2-5.22.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | libssh | * |
Up to (excluding) 0.6.3-11.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP1 | libssh | * |
Up to (excluding) 0.6.3-11.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_12.04_lts | libssh | * |
Up to (excluding) 0.5.2-1ubuntu0.12.04.6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | libssh | * |
Up to (excluding) 0.6.1-0ubuntu3.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | libssh | * |
Up to (excluding) 0.6.3-4.2ubuntu1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | libssh | * |
Up to (excluding) 0.6.3-4.2ubuntu1 |
|||||
- 攻击路径 远程
- 攻击复杂度 困难
- 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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