CVE编号
CVE-2020-25687利用情况
暂无补丁情况
官方补丁披露时间
2021-01-21漏洞描述
Dnsmasq 提供DNS 缓存和DHCP 服务功能。作为域名解析服务器(DNS)。Dnsmasq可以通过缓存DNS 请求来提高对访问过的网址的连接速度。国外研究团队JSOF发布了DNSpooq风险通告，披露了存在于dnsmasq软件中的多个漏洞，其中包括 CVE-2020-25681 远程代码执行漏洞 和 CVE-2020-25682 远程代码执行漏洞。攻击者利用该批漏洞，可造成域名劫持、流量劫持、拒绝服务等，在启用DNSSEC的情况下甚至导致远程代码执行。解决建议
升级至补丁版本2.83
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1891568 | |
| https://lists.debian.org/debian-lts-announce/2021/03/msg00027.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/202101-17 | |
| https://www.debian.org/security/2021/dsa-4844 | |
| https://www.jsof-tech.com/disclosures/dnspooq/ |
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 (excluding) 2.83 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | dnsmasq | * |
Up to (excluding) 2.79-13.1.al8.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | dnsmasq | * |
Up to (excluding) 2.83-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | dnsmasq | * |
Up to (excluding) 2.83-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | dnsmasq | * |
Up to (excluding) 2.83-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | dnsmasq | * |
Up to (excluding) 2.83-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | dnsmasq | * |
Up to (excluding) 2.83-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | dnsmasq | * |
Up to (excluding) 2.83-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | dnsmasq | * |
Up to (excluding) 2.83-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | dnsmasq | * |
Up to (excluding) 2.79-13.el8_3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | dnsmasq | * |
Up to (excluding) 2.80-1+deb10u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | dnsmasq | * |
Up to (excluding) 2.82-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | dnsmasq | * |
Up to (excluding) 2.76-5+deb9u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | dnsmasq | * |
Up to (excluding) 2.83-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | dnsmasq | * |
Up to (excluding) 2.83-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | dnsmasq | * |
Up to (excluding) 2.78-lp151.5.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | dnsmasq | * |
Up to (excluding) 2.78-lp152.7.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | dnsmasq | * |
Up to (excluding) 2.79-13.el8_3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | dnsmasq | * |
Up to (excluding) 2.79-13.el8_3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | dnsmasq | * |
Up to (excluding) 2.78-18.15.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | dnsmasq | * |
Up to (excluding) 2.75-1ubuntu0.16.04.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | dnsmasq | * |
Up to (excluding) 2.79-1ubuntu0.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | dnsmasq | * |
Up to (excluding) 2.80-1.1ubuntu1.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | dnsmasq | * |
Up to (excluding) 2.82-1ubuntu2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_20 | dnsmasq | * |
Up to (excluding) 2.80.4-1+dde |
|||||
- 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 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
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