CVE编号
CVE-2021-28831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
decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.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://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd | |
| https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/202105-09 |
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 | busybox | busybox | * |
Up to (including) 1.32.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | busybox | * |
Up to (excluding) 1.30.1-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | busybox | * |
Up to (excluding) 1.31.1-r10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | busybox | * |
Up to (excluding) 1.31.1-r20 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | busybox | * |
Up to (excluding) 1.32.1-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | busybox | * |
Up to (excluding) 1.33.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | busybox | * |
Up to (excluding) 1.33.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | busybox | * |
Up to (excluding) 1.33.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | busybox | * |
Up to (excluding) 1.19.3-2.12.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | busybox | * |
Up to (excluding) 1.30.1-4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | busybox | * |
Up to (excluding) 1.30.1-6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | busybox | * |
Up to (excluding) 1.30.1-7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | busybox | * |
Up to (excluding) 1:1.22.0-19+deb9u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | busybox | * |
Up to (excluding) 1.30.1-7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | busybox | * |
Up to (excluding) 1.32.1-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | busybox | * |
Up to (excluding) 1.32.1-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | busybox | * |
Up to (excluding) 1.33.0-3.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | busybox | * |
Up to (excluding) 1.26.2-lp152.5.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | busybox | * |
Up to (excluding) 1.26.2-4.5.1 |
|||||
- 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 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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