高危 Dnsmasq 至 2.77 DHCPv6 Request 内存破坏漏洞
CVE编号
CVE-2017-14493利用情况
POC 已公开补丁情况
官方补丁披露时间
2017-10-03漏洞描述
在2.78之前的dnsmasq中基于堆栈的缓冲区溢出允许远程攻击者通过精心设计的DHCPv6请求导致拒绝服务(崩溃)或执行任意代码。解决建议
厂商补丁：Dnsmasq-------目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：http://thekelleys.org.uk/dnsmasq/CHANGELOGhttp://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=3d4ff1ba8419546490b464418223132529514033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 | thekelleys | dnsmasq | * | Up to (including) 2.77 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.3 | dnsmasq | * | Up to (excluding) 2.76-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | dnsmasq | * | Up to (excluding) 2.76-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | dnsmasq | * | Up to (excluding) 2.76-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.6 | dnsmasq | * | Up to (excluding) 2.76-r5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | dnsmasq | * | Up to (excluding) 2.78-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | dnsmasq | * | Up to (excluding) 2.76-5.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | dnsmasq | * | Up to (excluding) 2.76-2.14.amzn1 | |||||
| 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 | 16.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | canonical | ubuntu_linux | 17.04 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | dnsmasq | * | Up to (excluding) 2.76-2.el7_4.2 | |||||
| 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 | 7.1 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 9.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | dnsmasq | * | Up to (excluding) 2.78-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | dnsmasq | * | Up to (excluding) 2.78-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | dnsmasq | * | Up to (excluding) 2.78-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | dnsmasq | * | Up to (excluding) 2.78-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_25 | dnsmasq | * | Up to (excluding) 2.76-4.fc25 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | dnsmasq | * | Up to (excluding) 2.76-5.fc26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | dnsmasq-debugsource | * | Up to (excluding) 2.77-9.fc27 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse | leap | 42.2 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse | leap | 42.3 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.2 | dnsmasq | * | Up to (excluding) 2.78-13.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | dnsmasq | * | Up to (excluding) 2.78-13.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 2.76-2.el7_4.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_desktop | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_server | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat | enterprise_linux_workstation | 7.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | dnsmasq | * | Up to (excluding) 2.76-2.el7_4.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | dnsmasq | * | Up to (excluding) 2.78-0.17.5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | dnsmasq | * | Up to (excluding) 2.78-18.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | dnsmasq | * | Up to (excluding) 2.78-18.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | dnsmasq | * | Up to (excluding) 2.78-18.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | dnsmasq | * | Up to (excluding) 2.68-1ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | dnsmasq | * | Up to (excluding) 2.68-1ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | dnsmasq | * | Up to (excluding) 2.75-1ubuntu0.16.04.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | dnsmasq | * | Up to (excluding) 2.75-1ubuntu0.16.04.3 | |||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 POC 已公开
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 无影响
- 服务器危害 服务器失陷
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-119 | 内存缓冲区边界内操作的限制不恰当 |
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