中危 rpm rpm 检查时间与使用时间(toctou)的竞争条件
CVE编号
CVE-2021-35937利用情况
暂无补丁情况
官方补丁披露时间
2022-08-26漏洞描述
A race condition vulnerability was found in rpm. A local unprivileged user could use this flaw to bypass the checks that were introduced in response to CVE-2017-7500 and CVE-2017-7501, potentially gaining root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.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 | rpm | rpm | * | Up to (excluding) 4.18.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | rpm | * | Up to (excluding) 4.18.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | rpm | * | Up to (excluding) 4.18.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | rpm | * | Up to (excluding) 4.18.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | rpm | * | Up to (including) 4.14.2.1+dfsg1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | rpm | * | Up to (including) 4.16.1.2+dfsg1-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | rpm | * | Up to (including) 4.18.0+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | rpm | * | Up to (including) 4.12.0.2+dfsg1-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | rpm | * | Up to (including) 4.18.0+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10 | python2-rpm | * | Up to (excluding) 4.15.1-37.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | python2-rpm | * | Up to (excluding) 4.15.1-28.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | python2-rpm | * | Up to (excluding) 4.15.1-28.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP1 | python2-rpm | * | Up to (excluding) 4.15.1-28.p03.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP3 | python2-rpm | * | Up to (excluding) 4.15.1-37.p01.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | python2-rpm | * | Up to (excluding) 4.15.1-37.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | python2-rpm | * | Up to (excluding) 4.15.1-28.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | python2-rpm | * | Up to (excluding) 4.15.1-28.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP3 | python2-rpm | * | Up to (excluding) 4.15.1-37.p01.ky10 | |||||
- 攻击路径 本地
- 攻击复杂度 容易
- 权限要求 普通权限
- 影响范围 越权影响
- 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 服务器失陷
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-367 | 检查时间与使用时间(TOCTOU)的竞争条件 |
| CWE-59 | 在文件访问前对链接解析不恰当（链接跟随） |
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