中危 PHP 缓冲区错误漏洞
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) 8.0.12-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | php7 | * | Up to (excluding) 8.0.12-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | php7 | * | Up to (excluding) 8.0.12-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | php8 | * | Up to (excluding) 8.0.12-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | php81 | * | Up to (excluding) 8.1.0_rc5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | php81 | * | Up to (excluding) 8.1.0_rc5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | php81 | * | Up to (excluding) 8.1.0_rc5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | php-pecl-rrd | * | Up to (excluding) 7.4.19-2.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | php7.3 | * | Up to (excluding) 7.3.31-1~deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | php7.4 | * | Up to (excluding) 7.4.25-1+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | php7.4 | * | Up to (including) 7.4.21-1+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | php7.0 | * | Up to (excluding) 7.0.33-0+deb9u12 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | php7.4 | * | Up to (including) 7.4.21-1+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | php-pspell-debuginfo | * | Up to (excluding) 7.4.25-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | php-pspell-debuginfo | * | Up to (excluding) 7.4.25-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | php-pspell-debuginfo | * | Up to (excluding) 8.0.12-2.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | php | * | Up to (excluding) 7.2.10-16.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | php | * | Up to (excluding) 7.2.10-16.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | php7-sysvmsg | * | Up to (excluding) 7.4.6-lp152.2.21.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | php7-sysvmsg | * | Up to (excluding) 7.4.33-150200.3.46.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | php7-wddx | * | Up to (excluding) 8.0.24-150400.4.14.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 2.0.1-1.module+el8.3.0+7685+72d70b58 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | php7.2 | * | Up to (excluding) 7.2.24-0ubuntu0.18.04.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | php7.2 | * | Up to (excluding) 7.2.24-0ubuntu0.18.04.10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | php7.4 | * | Up to (excluding) 7.4.3-4ubuntu2.7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | php7.4 | * | Up to (excluding) 7.4.16-1ubuntu2.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | php8.0 | * | Up to (excluding) 8.0.8-1ubuntu0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | php7.3 | * | Up to (excluding) 7.3.31.1-1+dde | |||||
- 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
| CWE-ID | 漏洞类型 |
| CWE-787 | 跨界内存写 |
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