CVE编号
CVE-2022-25313利用情况
暂无补丁情况
官方补丁披露时间
2022-02-18漏洞描述
Expat是一款使用C语言编写的快速流式XML解析器。Expat 存在资源管理错误漏洞，该漏洞源于攻击者可以通过 DTD 元素中的较大嵌套深度触发 build_model 中的堆栈耗尽。
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/libexpat/libexpat/pull/558
参考链接 |
|
|---|---|
| http://www.openwall.com/lists/oss-security/2022/02/19/1 | |
| https://github.com/libexpat/libexpat/pull/558 | |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.netapp.com/advisory/ntap-20220303-0008/ | |
| https://www.debian.org/security/2022/dsa-5085 |
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 (excluding) 2.4.5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | expat | * |
Up to (excluding) 2.2.10-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | expat | * |
Up to (excluding) 2.2.10-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | expat | * |
Up to (excluding) 2.4.5-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | expat | * |
Up to (excluding) 2.4.5-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | expat | * |
Up to (excluding) 2.4.5-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | expat | * |
Up to (excluding) 2.2.6-2+deb10u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | expat | * |
Up to (excluding) 2.2.10-2+deb11u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | expat | * |
Up to (excluding) 2.4.4-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | expat | * |
Up to (excluding) 2.2.0-2+deb9u5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | expat | * |
Up to (excluding) 2.4.4-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | expat | * |
Up to (excluding) 2.4.6-1.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | expat | * |
Up to (excluding) 2.4.6-1.fc35 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | expat | * |
Up to (excluding) 2.2.5-3.15.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | expat | * |
Up to (excluding) 2.1.0-21.18.1 |
|||||
- 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 全局影响
- 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
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