CVE编号
CVE-2021-31806利用情况
暂无补丁情况
官方补丁披露时间
2021-05-27漏洞描述
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.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 |
|
|---|---|
| http://www.squid-cache.org/Versions/v4/changesets/squid-4-e7cf864f938f24eea8a... | |
| https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf | |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00014.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20210716-0007/ | |
| https://www.debian.org/security/2021/dsa-4924 |
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 | squid-cache | squid | * |
Up to (excluding) 4.15 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | squid-cache | squid | * |
From (including) 5.0 |
Up to (excluding) 5.0.6 |
||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | squid | * |
Up to (excluding) 4.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | squid | * |
Up to (excluding) 4.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | squid | * |
Up to (excluding) 4.15-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | squid | * |
Up to (excluding) 5.0.6-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | squid | * |
Up to (excluding) 5.0.6-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | squid | * |
Up to (excluding) 5.0.6-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | squid | * |
Up to (excluding) 5.0.6-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | squid | * |
Up to (excluding) 4.6-1+deb10u6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | squid | * |
Up to (excluding) 3.5.23-5+deb9u7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | squid | * |
Up to (excluding) 4.15-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | squid | * |
Up to (excluding) 5.0.6-1.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | squid | * |
Up to (excluding) 4.15-lp152.2.9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | squid | * |
Up to (excluding) 4.15-5.26.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | squid | * |
Up to (excluding) 3.5.20-17.0.1.el7_9.6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | squid | * |
Up to (excluding) 1.0.1-2.module+el8.3.0+7819+eb7d4ef6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | squid | * |
Up to (excluding) 4.15-4.18.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | squid | * |
Up to (excluding) 3.5.27-1ubuntu1.11 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | squid3 | * |
Up to (excluding) 3.5.27-1ubuntu1.11 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | squid | * |
Up to (excluding) 4.10-1ubuntu1.4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | squid | * |
Up to (excluding) 4.13-1ubuntu4.1 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 普通权限
- 影响范围 有限影响
- EXP成熟度 N/A
- 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 DoS
- 全网数量 N/A
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