中危 cryptsetup 数据伪造问题漏洞（CVE-2021-4122）
CVE编号
CVE-2021-4122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
Cryptsetup是是一个实用程序，用于基于DMCrypt内核模块方便地设置磁盘加密。 cryptsetup 存在安全漏洞，该漏洞源于软件对于数据真实性缺乏有效的验证。一个特别制作的LUKS头可以欺骗cryptsetup在设备恢复期间禁用加密。物理访问介质(如闪存盘)的攻击者可以利用这个漏洞迫使用户永久禁用该介质的加密层。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://access.redhat.com/security/cve/cve-2021-4122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 | cryptsetup_project | cryptsetup | * | Up to (excluding) 2.3.7 | |||||
| 运行在以下环境 | |||||||||
| 应用 | cryptsetup_project | cryptsetup | * | From (including) 2.4.0 | Up to (excluding) 2.4.3 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | cryptsetup | * | Up to (excluding) 2.3.7-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | cryptsetup | * | Up to (excluding) 2.3.7-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | cryptsetup | * | Up to (excluding) 2.3.7-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | cryptsetup | * | Up to (excluding) 2.4.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | cryptsetup | * | Up to (excluding) 2.4.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | cryptsetup | * | Up to (excluding) 2.4.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | cryptsetup | * | Up to (excluding) 2.4.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | cryptsetup | * | Up to (excluding) 2.4.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2022 | cryptsetup | * | Up to (excluding) 2.4.3-2.amzn2022 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2023 | cryptsetup | * | Up to (excluding) 2.4.3-2.amzn2023.0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | veritysetup | * | Up to (excluding) 2.3.3-4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | cryptsetup-devel | * | Up to (excluding) 2.3.3-4.el8_5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | cryptsetup | * | Up to (excluding) 2.1.0-5+deb10u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | cryptsetup | * | Up to (excluding) 2:2.3.7-1+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | cryptsetup | * | Up to (excluding) 2:2.4.3-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | cryptsetup | * | Up to (excluding) 2:2.4.3-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | cryptsetup-reencrypt | * | Up to (excluding) 2.3.7-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | cryptsetup-ssh-token-debuginfo | * | Up to (excluding) 2.4.3-1.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10 | cryptsetup | * | Up to (excluding) 2.3.7-2.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | bison | * | Up to (excluding) 2.3.3-6.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP3 | bluez | * | Up to (excluding) 5.54-11.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | cryptsetup | * | Up to (excluding) 2.3.7-2.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | bison | * | Up to (excluding) 2.3.3-6.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | libcryptsetup12-32bit | * | Up to (excluding) 2.3.7-150300.3.5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | libvarnishapi3 | * | Up to (excluding) 7.1.0-bp154.2.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 2.3.3-4.el8_5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | cryptsetup-devel | * | Up to (excluding) 2.3.3-4.el8_5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | cryptsetup | * | Up to (excluding) 2:2.2.2-3ubuntu2.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | cryptsetup | * | Up to (excluding) 2:2.3.7-0ubuntu0.21.10.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | cryptsetup | * | Up to (excluding) 2:2.4.3-1ubuntu1 | |||||
- 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 有限影响
- 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-345 | 对数据真实性的验证不充分 |
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