CVE编号
CVE-2018-5733利用情况
暂无补丁情况
官方补丁披露时间
2019-01-17漏洞描述
在处理客户端请求时dhcpd处理引用计数的方式中发现了拒绝服务缺陷。恶意的DHCP客户端可能会利用此漏洞在服务器端触发引用计数溢出，从而可能通过发送大量流量而导致dhcpd崩溃。解决建议
厂商已发布漏洞修复程序，请及时关注更新：https://kb.isc.org/article/AA-01567/75/CVE-2018-5733
参考链接 |
|
|---|---|
| http://www.securityfocus.com/bid/103188 | |
| http://www.securitytracker.com/id/1040437 | |
| https://access.redhat.com/errata/RHSA-2018:0469 | |
| https://access.redhat.com/errata/RHSA-2018:0483 | |
| https://kb.isc.org/docs/aa-01567 | |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html | |
| https://usn.ubuntu.com/3586-1/ | |
| https://usn.ubuntu.com/3586-2/ | |
| https://www.debian.org/security/2018/dsa-4133 |
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 | isc | dhcp | * |
From (including) 4.2.0 |
Up to (including) 4.2.8 |
||||
| 运行在以下环境 | |||||||||
| 应用 | isc | dhcp | * |
From (including) 4.3.0 |
Up to (including) 4.3.6 |
||||
| 运行在以下环境 | |||||||||
| 应用 | isc | dhcp | 4.1-esv | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | isc | dhcp | 4.1.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | isc | dhcp | 4.4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | dhcp | * |
Up to (excluding) 4.4.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | dhcp | * |
Up to (excluding) 4.4.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | dhcp | * |
Up to (excluding) 4.4.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | dhcp | * |
Up to (excluding) 4.4.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | dhcp | * |
Up to (excluding) 4.4.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | dhcp | * |
Up to (excluding) 4.4.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | dhcp | * |
Up to (excluding) 4.4.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | dhcp | * |
Up to (excluding) 4.2.5-58.amzn2.3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | dhcp | * |
Up to (excluding) 4.1.1-53.P1.27.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_6 | dhcp | * |
Up to (excluding) 4.1.1-53.P1.el6.centos.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | dhcp | * |
Up to (excluding) 4.2.5-58.el7.centos.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | dhcp | * |
Up to (excluding) 4.2.2.dfsg.1-5+deb70u9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | dhcp | * |
Up to (excluding) 4.3.1-6+deb8u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | dhcp | * |
Up to (excluding) 4.3.5-3+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | dhcp | * |
Up to (excluding) 4.3.6-9.fc27 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | dhcp | * |
Up to (excluding) 4.3.3-11.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | dhcp | * |
Up to (excluding) 4.1.1-53.P1.0.1.el6_9.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | dhcp | * |
Up to (excluding) 4.2.5-58.0.1.el7_4.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | dhcp | * |
Up to (excluding) 4.2.4.P2-0.28.8.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | dhcp | * |
Up to (excluding) 4.3.3-10.14.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | dhcp | * |
Up to (excluding) 4.3.3-10.14.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | dhcp | * |
Up to (excluding) 4.2.4-7ubuntu12.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | dhcp | * |
Up to (excluding) 4.3.3-5ubuntu12.9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | dhcp | * |
Up to (excluding) 4.3.5-3ubuntu5 |
|||||
- 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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