低危 libexpat up to 2.2.0 Loop 拒绝服务漏洞
CVE编号
CVE-2017-9233利用情况
暂无补丁情况
官方补丁披露时间
2017-07-26漏洞描述
libexpat 2.2.0及更早版本(Expat XML Parser Library)中的XML外部实体漏洞允许攻击者使用来自外部DTD的格式错误的 external entity definition将parse置于无限循环中。解决建议
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载:https://libexpat.github.io/doc/cve-2017-9233/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 | libexpat_project | libexpat | * | Up to (including) 2.2.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.6 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | expat | * | Up to (excluding) 2.2.0-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian | DPKG | * | Up to (excluding) 2.2.0-2+deb9u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | expat | * | Up to (excluding) 2.2.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | expat | * | Up to (excluding) 2.2.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | expat | * | Up to (excluding) 2.2.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | expat | * | Up to (excluding) 2.1.0-1+deb7u5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | expat | * | Up to (excluding) 2.1.0-6+deb8u6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | expat | * | Up to (excluding) 2.2.0-2+deb9u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | expat | * | Up to (excluding) 2.2.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_24 | expat | * | Up to (excluding) 2.2.1-1.fc24 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_25 | expat-debuginfo | * | Up to (excluding) 2.2.1-1.fc25 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | expat-debuginfo | * | Up to (excluding) 2.2.1-1.fc26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.2 | expat | * | Up to (excluding) 2.1.0-24.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | expat | * | Up to (excluding) 2.1.0-24.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | expat | * | Up to (excluding) 2.0.1-88.42.3.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | sles12-docker-image | * | Up to (excluding) 1.1.4-20171002 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | libexpat1-32bit | * | Up to (excluding) 2.1.0-21.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | libexpat1-32bit | * | Up to (excluding) 2.1.0-21.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP4 | libpython3_4m1_0 | * | Up to (excluding) 3.4.10-25.39.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | python3 | * | Up to (excluding) 3.4.10-25.39.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | expat | * | Up to (excluding) 2.1.0-4ubuntu1.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | expat | * | Up to (excluding) 2.1.0-4ubuntu1.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | expat | * | Up to (excluding) 2.1.0-7ubuntu0.16.04.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | expat | * | Up to (excluding) 2.1.0-7ubuntu0.16.04.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | expat | * | Up to (excluding) 2.2.1-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.10 | expat | * | Up to (excluding) 2.2.1-2 | |||||
- 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 100
| CWE-ID | 漏洞类型 |
| CWE-611 | XML外部实体引用的不恰当限制（XXE） |
| CWE-835 | 不可达退出条件的循环（无限循环） |
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