中危 unzip_project unzip 空指针解引用
CVE编号
CVE-2021-4217利用情况
暂无补丁情况
官方补丁披露时间
2022-08-25漏洞描述
A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.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://access.redhat.com/security/cve/CVE-2021-4217 | |
| https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2044583 |
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 | unzip_project | unzip | 6.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | unzip | * | Up to (excluding) 6.0-r11 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | unzip | * | Up to (excluding) 6.0-r11 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | unzip | * | Up to (excluding) 6.0-r11 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | unzip | * | Up to (excluding) 6.0-57.amzn2.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2022 | unzip | * | Up to (excluding) 6.0-57.amzn2022.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2023 | unzip | * | Up to (excluding) 6.0-57.amzn2023.0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | unzip | * | Up to (including) 6.0-23+deb10u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | unzip | * | Up to (including) 6.0-26+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | unzip | * | Up to (including) 6.0-28 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | unzip | * | Up to (including) 6.0-21+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | unzip | * | Up to (including) 6.0-28 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | unzip | * | Up to (excluding) 6.0-47.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | unzip | * | Up to (excluding) 6.0-47.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP1 | unzip | * | Up to (excluding) 6.0-47.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | unzip | * | Up to (excluding) 6.0-47.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | unzip | * | Up to (excluding) 6.0-47.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | unzip | * | Up to (excluding) 6.0-21ubuntu1.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | unzip | * | Up to (excluding) 6.0-25ubuntu1.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | unzip | * | Up to (excluding) 6.0-26ubuntu3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | unzip | * | Up to (excluding) 6.0.7.2-1+deepin | |||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 越权影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-476 | 空指针解引用 |
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