低危 thekelleys dnsmasq 使用欺骗进行的认证绕过
CVE编号
CVE-2020-25686利用情况
POC 已公开补丁情况
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
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：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-utils | * | Up to (excluding) 2.76-16.1.al7.1 | |||||
| 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_3.16 | dnsmasq | * | Up to (excluding) 2.83-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | dnsmasq | * | Up to (excluding) 2.83-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | 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 | amazon_2 | dnsmasq | * | Up to (excluding) 2.76-16.amzn2.1.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | dnsmasq | * | Up to (excluding) 2.79-11 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8.2 | dnsmasq-utils | * | Up to (excluding) 2.79-11 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | dnsmasq | * | Up to (excluding) 2.76-16.el7_9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | dnsmasq-debuginfo | * | 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) 2.83-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | dnsmasq | * | Up to (excluding) 2.83-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | dnsmasq | * | Up to (including) 2.76-5+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | dnsmasq | * | Up to (excluding) 2.83-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | dnsmasq-utils-debuginfo | * | Up to (excluding) 2.83-1.fc32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | dnsmasq-utils-debuginfo | * | Up to (excluding) 2.83-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10 | dnsmasq | * | Up to (excluding) 2.76-16.el7_9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | dnsmasq | * | Up to (excluding) 2.82-4.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | dnsmasq | * | Up to (excluding) 2.76-16.el7_9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | dnsmasq | * | Up to (excluding) 2.82-4.ky10 | |||||
| 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_7 | oraclelinux-release | * | Up to (excluding) 2.76-16.el7_9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 2.79-13.el8_3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | dnsmasq | * | Up to (excluding) 2.76-16.el7_9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | dnsmasq-debuginfo | * | 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_16.04.7_lts | 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_18.04.5_lts | 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 | ubuntu_21.10 | dnsmasq | * | Up to (excluding) 2.82-1ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | dnsmasq | * | Up to (excluding) 2.82-1ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.10 | dnsmasq | * | Up to (excluding) 2.82-1ubuntu2 | |||||
- 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 POC 已公开
- 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
| CWE-ID | 漏洞类型 |
| CWE-290 | 使用欺骗进行的认证绕过 |
| CWE-358 | 不恰当实现的标准安全检查 |
Exp相关链接
- avd.aliyun.com
版权声明
本站原创文章转载请注明文章出处及链接，谢谢合作！
评论