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。
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1927741 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/202107-43 |
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 |
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| 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_edge | rpm | * |
Up to (excluding) 4.16.1.3-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | rpm | * |
Up to (excluding) 4.14.3-19.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | rpm | * |
Up to (excluding) 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+dfsg1-0.4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | rpm | * |
Up to (excluding) 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+dfsg1-0.6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | rpm | * |
Up to (excluding) 4.15.1.1-1.fc32.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | rpm | * |
Up to (excluding) 4.16.1.3-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | rpm | * |
Up to (excluding) 4.16.1.3-1.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | rpm | * |
Up to (excluding) 4.14.1-lp152.18.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | rpm | * |
Up to (excluding) 4.14.3-37.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | rpm | * |
Up to (excluding) 4.14.3-19.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | rpm | * |
Up to (excluding) 4.14.3-19.el8 |
|||||
- 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
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