中危 Lxml 跨站脚本漏洞（CVE-2021-43818）
CVE编号
CVE-2021-43818利用情况
暂无补丁情况
官方补丁披露时间
2021-12-14漏洞描述
Lxml是Lxml个人开发者的一个可与Python交互用于定位Html中元素的软件。 lxml 4.6.5之前版本存在注入漏洞，该漏洞源于HTML Cleaner允许某些精心制作的脚本内容以及使用数据URI嵌入的SVG文件中的脚本内容通过。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://github.com/lxml/lxml/security/advisories/GHSA-55x5-fj6c-h6m8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 | lxml | lxml | * | Up to (excluding) 4.6.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | lxml | * | Up to (excluding) 4.6.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | lxml | * | Up to (excluding) 4.6.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | py3-lxml | * | Up to (excluding) 4.6.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | py3-lxml | * | Up to (excluding) 4.6.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | lxml | * | Up to (excluding) 4.6.5-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | python-lxml | * | Up to (excluding) 3.2.1-4.amzn2.0.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2022 | python-lxml | * | Up to (excluding) 4.6.5-1.amzn2022 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2023 | python-lxml | * | Up to (excluding) 4.7.1-3.amzn2023.0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | python-lxml | * | Up to (excluding) 3.2.1-4.10.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | python3-lxml | * | Up to (excluding) 3.4.2-13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | tfm-rubygem-hammer_cli_foreman_tasks | * | Up to (excluding) 1.1.2-7.el7sat | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | lxml | * | Up to (excluding) 1.0.2-5.1.el8sat | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 10.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 11.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 9.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | lxml | * | Up to (excluding) 4.3.2-1+deb10u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | lxml | * | Up to (excluding) 4.6.3+dfsg-0.1+deb11u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | lxml | * | Up to (excluding) 4.7.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | lxml | * | Up to (excluding) 3.7.1-1+deb9u5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | lxml | * | Up to (excluding) 4.7.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedoraproject | fedora | 35 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | lxml | * | Up to (excluding) 4.6.5-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | lxml | * | Up to (excluding) 4.6.5-1.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | lxml | * | Up to (excluding) 4.2.5-5.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | python-lxml-help | * | Up to (excluding) 4.6.2-1.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | python-lxml-help | * | Up to (excluding) 4.6.2-1.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | python-lxml-help | * | Up to (excluding) 4.6.2-1.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | python-lxml-help | * | Up to (excluding) 4.6.2-1.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | lxml | * | Up to (excluding) 4.7.1-3.7.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.4 | lxml | * | Up to (excluding) 4.7.1-3.7.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 1.3.7-31.module+el8.5.0+20361+8a9d3d27 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | tfm-rubygem-hammer_cli_foreman_tasks | * | Up to (excluding) 1.1.2-7.el7sat | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | lxml | * | Up to (excluding) 1.0.2-5.1.el8sat | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | lxml | * | Up to (excluding) 3.6.1-8.5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | lxml | * | Up to (excluding) 3.3.3-1ubuntu0.2+esm5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | lxml | * | Up to (excluding) 3.5.0-1ubuntu0.4+esm2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | lxml | * | Up to (excluding) 4.2.1-1ubuntu0.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | lxml | * | Up to (excluding) 4.5.0-1ubuntu0.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | lxml | * | Up to (excluding) 4.6.3-1ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | lxml | * | Up to (excluding) 4.6.3+dfsg-0.1ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | lxml | * | Up to (excluding) 4.7.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_e | python-lxml | * | Up to (excluding) python-lxml-4.5.2-4.uel20 | |||||
- 攻击路径 远程
- 攻击复杂度 困难
- 权限要求 普通权限
- 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-74 | 输出中的特殊元素转义处理不恰当（注入） |
| CWE-79 | 在Web页面生成时对输入的转义处理不恰当（跨站脚本） |
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