中危 PHP 资源管理错误漏洞
CVE编号
CVE-2021-21708利用情况
暂无补丁情况
官方补丁披露时间
2022-03-03漏洞描述
PHP是一种在服务器端执行的脚本语言。 php 存在资源管理错误漏洞，该漏洞源于 php_filter_float() 导致整数失败的 UAF。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=81708
参考链接 |
|
|---|---|
| https://bugs.php.net/bug.php?id=81708 | |
| https://cxsecurity.com/cveshow/CVE-2021-21708/ | |
| https://security.gentoo.org/glsa/202209-20 | |
| https://security.netapp.com/advisory/ntap-20220325-0004/ |
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) 7.4.0 | Up to (excluding) 7.4.28 | ||||
| 运行在以下环境 | |||||||||
| 应用 | php | php | * | From (including) 8.0.0 | Up to (excluding) 8.0.16 | ||||
| 运行在以下环境 | |||||||||
| 应用 | php | php | * | From (including) 8.1.0 | Up to (excluding) 8.1.3 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | php7 | * | Up to (excluding) 7.4.32-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | php7 | * | Up to (excluding) 8.0.16-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | php7 | * | Up to (excluding) 7.4.28-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | php | * | Up to (excluding) 8.0.16-1.amzn2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2022 | php | * | Up to (excluding) 7.4.27-1.amzn2022.0.3 | |||||
| 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) 7.4.28-1+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | php8.1 | * | Up to (including) 8.1.5-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | php7.0 | * | Up to (including) 7.0.33-0+deb9u8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | php8.1 | * | Up to (including) 8.1.7-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | php-odbc-debuginfo | * | Up to (excluding) 7.4.28-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | php-dbg-debuginfo | * | Up to (excluding) 8.0.16-1.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | php7-opcache | * | Up to (excluding) 7.4.6-3.35.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | php7-firebird | * | Up to (excluding) 7.4.33-150400.4.13.1 | |||||
| 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 | oracle_9 | oraclelinux-release | * | Up to (excluding) 8.0.20-3.el9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_9 | php-bcmath | * | Up to (excluding) 8.0.20-3.el9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | php7.4 | * | Up to (excluding) 7.4.3-4ubuntu2.9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | php8.0 | * | Up to (excluding) 8.0.8-1ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | php8.1 | * | Up to (excluding) 8.1.2-1ubuntu1 | |||||
- 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 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-416 | 释放后使用 |
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