低危 Open vSwitch Packet resource consumption
CVE编号
CVE-2020-35498利用情况
POC 已公开补丁情况
官方补丁披露时间
2021-02-12漏洞描述
A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, 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。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 | openvswitch | openvswitch | * | From (including) 2.10.0 | Up to (excluding) 2.10.7 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.11.0 | Up to (excluding) 2.11.6 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.12.0 | Up to (excluding) 2.12.3 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.13.0 | Up to (excluding) 2.13.3 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.14.0 | Up to (excluding) 2.14.2 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.5.0 | Up to (excluding) 2.5.12 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.6.0 | Up to (excluding) 2.6.10 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.7.0 | Up to (excluding) 2.7.13 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.8.0 | Up to (excluding) 2.8.11 | ||||
| 运行在以下环境 | |||||||||
| 应用 | openvswitch | openvswitch | * | From (including) 2.9.0 | Up to (excluding) 2.9.9 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | openvswitch | * | Up to (excluding) 2.12.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | openvswitch | * | Up to (excluding) 2.12.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | openvswitch | * | Up to (excluding) 2.12.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | openvswitch | * | Up to (excluding) 2.12.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | openvswitch | * | Up to (excluding) 2.12.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | openvswitch | * | Up to (excluding) 2.12.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | openvswitch | * | Up to (excluding) 2.12.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | openvswitch | * | Up to (excluding) 2.10.7+ds1-0+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | openvswitch | * | Up to (excluding) 2.15.0~git20210104.def6eb1ea+dfsg1-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | openvswitch | * | Up to (excluding) 2.15.0~git20210104.def6eb1ea+dfsg1-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | openvswitch | * | Up to (excluding) 2.6.10-0+deb9u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | openvswitch | * | Up to (excluding) 2.15.0~git20210104.def6eb1ea+dfsg1-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | ovn-vtep | * | Up to (excluding) 20.03.1-lp152.3.12.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | libopenvswitch-2_11 | * | Up to (excluding) 2.11.5-3.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | openvswitch | * | Up to (excluding) 2.5.9-0ubuntu0.16.04.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | openvswitch | * | Up to (excluding) 2.5.9-0ubuntu0.16.04.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | openvswitch | * | Up to (excluding) 2.9.8-0ubuntu0.18.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | openvswitch | * | Up to (excluding) 2.9.8-0ubuntu0.18.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | openvswitch | * | Up to (excluding) 2.13.1-0ubuntu0.20.04.4 | |||||
- 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 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 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-400 | 未加控制的资源消耗（资源穷尽） |
Exp相关链接
- avd.aliyun.com
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