低危 sudo_project sudo 在文件访问前对链接解析不恰当（链接跟随）
CVE编号
CVE-2021-23239利用情况
暂无补丁情况
官方补丁披露时间
2021-01-12漏洞描述
The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.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 | netapp | hci_management_node | - | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | netapp | solidfire | - | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | sudo_project | sudo | * | Up to (excluding) 1.8.32 | |||||
| 运行在以下环境 | |||||||||
| 应用 | sudo_project | sudo | * | From (including) 1.9.0 | Up to (excluding) 1.9.5 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | sudo | * | Up to (excluding) 1.9.5p2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | sudo | * | Up to (excluding) 1.9.5p2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | sudo | * | Up to (excluding) 1.9.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | sudo | * | Up to (excluding) 1.9.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | sudo | * | Up to (excluding) 1.9.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | sudo | * | Up to (excluding) 1.9.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | sudo | * | Up to (excluding) 1.9.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | sudo | * | Up to (excluding) 1.9.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | sudo | * | Up to (excluding) 1.9.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | sudo | * | Up to (excluding) 1.9.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | sudo-debuginfo | * | Up to (excluding) 1.8.29-7.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | sudo | * | Up to (excluding) 1.8.27-1+deb10u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | sudo | * | Up to (excluding) 1.9.5-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | sudo | * | Up to (excluding) 1.9.5-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | sudo | * | Up to (including) 1.8.19p1-2.1+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | sudo | * | Up to (excluding) 1.9.5-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | sudo-devel | * | Up to (excluding) 1.9.5p1-1.fc32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | sudo-logsrvd-debuginfo | * | Up to (excluding) 1.9.5p1-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | sudo-test | * | Up to (excluding) 1.8.22-lp151.5.12.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | sudo-test | * | Up to (excluding) 1.8.22-lp152.8.6.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 1.8.29-7.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | sudo-debuginfo | * | Up to (excluding) 1.8.29-7.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | sudo | * | Up to (excluding) 1.8.27-4.6.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | sudo | * | Up to (excluding) 1.8.16-0ubuntu1.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | sudo | * | Up to (excluding) 1.8.16-0ubuntu1.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | sudo | * | Up to (excluding) 1.8.21p2-3ubuntu1.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | sudo | * | Up to (excluding) 1.8.21p2-3ubuntu1.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | sudo | * | Up to (excluding) 1.8.31-1ubuntu1.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | sudo | * | Up to (excluding) 1.9.4p2-2ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | sudo | * | Up to (excluding) 1.9.4p2-2ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | sudo | * | Up to (excluding) 1.9.4p2-2ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.10 | sudo | * | Up to (excluding) 1.9.4p2-2ubuntu2 | |||||
- 攻击路径 本地
- 攻击复杂度 困难
- 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 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-59 | 在文件访问前对链接解析不恰当（链接跟随） |
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