CVE编号
CVE-2020-27827利用情况
暂无补丁情况
官方补丁披露时间
2021-03-19漏洞描述
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1921438 | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf | |
| https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07 |
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 | lldpd_project | lldpd | * |
Up to (excluding) 1.0.8 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.10.0 |
Up to (excluding) 2.10.6 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.11.0 |
Up to (excluding) 2.11.5 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.12.0 |
Up to (excluding) 2.12.2 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.13.0 |
Up to (excluding) 2.13.2 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.14.0 |
Up to (excluding) 2.14.1 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.6.0 |
Up to (excluding) 2.6.9 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.7.0 |
Up to (excluding) 2.7.12 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.8.0 |
Up to (excluding) 2.8.10 |
||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * |
From (including) 2.9.0 |
Up to (excluding) 2.9.8 |
||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openshift_container_platform | 4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openstack | 10 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openstack | 13.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | virtualization | 4.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | lldpd | * |
Up to (excluding) 1.0.8-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | lldpd | * |
Up to (excluding) 1.0.8-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | lldpd | * |
Up to (excluding) 1.0.8-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | lldpd | * |
Up to (excluding) 2.12.2-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | lldpd | * |
Up to (excluding) 2.12.2-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | lldpd | * |
Up to (excluding) 1.0.3-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | lldpd | * |
Up to (excluding) 2.15.0~git20210104.def6eb1ea+dfsg1-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | lldpd | * |
Up to (excluding) 0.9.6-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | lldpd | * |
Up to (excluding) 20.11-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | lldpd | * |
Up to (excluding) 2.13.2-lp152.3.9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | lldpd | * |
Up to (excluding) 0-2.11.5-3.3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | lldpd | * |
Up to (excluding) 2.5.9-0ubuntu0.16.04.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | lldpd | * |
Up to (excluding) 2.9.7-0ubuntu0.18.04.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | lldpd | * |
Up to (excluding) 2.13.1-0ubuntu0.20.04.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | lldpd | * |
Up to (excluding) 2.15.0-0ubuntu1 |
|||||
- 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 全局影响
- 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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