CVE编号
CVE-2021-21703利用情况
暂无补丁情况
官方补丁披露时间
2021-10-25漏洞描述
PHP是一种在服务器端执行的脚本语言。PHP 存在缓冲区错误漏洞，攻击者可以通过 FPM 绕过 PHP 的访问限制，以读取或更改数据。
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://bugs.php.net/bug.php?id=81026
参考链接 |
|
|---|---|
| http://www.openwall.com/lists/oss-security/2021/10/26/7 | |
| https://bugs.php.net/bug.php?id=81026 | |
| https://lists.debian.org/debian-lts-announce/2021/10/msg00021.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20211118-0003/ | |
| https://www.debian.org/security/2021/dsa-4992 | |
| https://www.debian.org/security/2021/dsa-4993 | |
| https://www.oracle.com/security-alerts/cpujan2022.html |
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 | php | php | * |
From (including) 7.3.0 |
Up to (including) 7.3.31 |
||||
| 运行在以下环境 | |||||||||
| 应用 | php | php | * |
From (including) 7.4.0 |
Up to (including) 7.4.25 |
||||
| 运行在以下环境 | |||||||||
| 应用 | php | php | * |
From (including) 8.0.0 |
Up to (including) 8.0.12 |
||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | php7 | * |
Up to (excluding) 7.3.32-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | php7 | * |
Up to (excluding) 7.4.25-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | php7 | * |
Up to (excluding) 7.4.25-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | php7 | * |
Up to (excluding) 7.4.25-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | php7 | * |
Up to (excluding) 7.4.25-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | php7 | * |
Up to (excluding) 7.3.31-1~deb10u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | php7 | * |
Up to (excluding) 7.4.25-1+deb11u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | php7 | * |
Up to (excluding) 7.4.21-1+deb11u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | php7 | * |
Up to (excluding) 7.0.33-0+deb9u12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | php7 | * |
Up to (excluding) 7.4.21-1+deb11u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | php7 | * |
Up to (excluding) 7.4.25-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | php7 | * |
Up to (excluding) 7.4.25-1.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | php7 | * |
Up to (excluding) 8.0.12-2.fc35 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | php7 | * |
Up to (excluding) 7.4.6-lp152.2.21.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | php7 | * |
Up to (excluding) 7.4.6-3.29.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | php7 | * |
Up to (excluding) 7.2.5-4.89.4 |
|||||
- 攻击路径 远程
- 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
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