低危 rpm rpm 跨界内存读
CVE编号
CVE-2021-20266利用情况
EXP 已公开补丁情况
官方补丁披露时间
2021-04-30漏洞描述
A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to 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) 4.16.1.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | rpm | * | Up to (excluding) 4.16.1.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | rpm | * | Up to (excluding) 4.16.1.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | rpm | * | Up to (excluding) 4.16.1.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | rpm | * | Up to (excluding) 4.16.1.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | rpm | * | Up to (excluding) 4.16.1.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | rpm | * | Up to (excluding) 4.16.1.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | rpm | * | Up to (excluding) 4.16.1.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | rpm-plugin-prioreset | * | Up to (excluding) 4.14.3-19.0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | rpm-cron | * | Up to (excluding) 4.14.3-19.el8 | |||||
| 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 (excluding) 4.16.1.2+dfsg1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | rpm | * | Up to (excluding) 4.16.1.2+dfsg1-1 | |||||
| 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 (excluding) 4.16.1.2+dfsg1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | rpm-build-libs | * | Up to (excluding) 4.15.1.1-1.fc32.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | rpm-build-libs | * | Up to (excluding) 4.16.1.3-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | rpm-build-libs | * | Up to (excluding) 4.16.1.3-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10 | python2-rpm | * | Up to (excluding) 4.15.1-36.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP3 | python2-rpm | * | Up to (excluding) 4.15.1-36.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP1 | python2-rpm | * | Up to (excluding) 4.15.1-12.p06.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP3 | python2-rpm | * | Up to (excluding) 4.15.1-36.p03.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | python2-rpm | * | Up to (excluding) 4.15.1-36.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | python2-rpm | * | Up to (excluding) 4.15.1-28.p02.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | python2-rpm | * | Up to (excluding) 4.15.1-28.p02.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP3 | python2-rpm | * | Up to (excluding) 4.15.1-36.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | python3-rpm | * | Up to (excluding) 4.14.1-lp152.18.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | python3-rpm | * | Up to (excluding) 4.14.3-37.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 4.14.3-19.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | rpm-cron | * | Up to (excluding) 4.14.3-19.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | rpm-32bit | * | Up to (excluding) 4.11.2-16.26.1 | |||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 普通权限
- 影响范围 有限影响
- EXP成熟度 EXP 已公开
- 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 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-125 | 跨界内存读 |
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