低危 Expat加密机制破坏漏洞
CVE编号
CVE-2012-6702利用情况
暂无补丁情况
官方补丁披露时间
2016-06-17漏洞描述
Expat是一个基于C语言的XML解析器库，它采用了一个面向流的解析器。 当程序在调用XML_SetHashSalt的解析器中使用或传递一个0种子时Expat中存在安全漏洞，允许远程攻击者可利用该漏洞破坏加密保护机制。解决建议
用户可参考如下厂商提供的安全补丁以修复该漏洞：https://sourceforge.net/p/expat/code_git/ci/07cc2fcacf81b32b2e06aa918df51756525240c0/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 | expat | * | Up to (excluding) 2.2.0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.2 | expat | * | Up to (excluding) 2.2.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.3 | expat | * | Up to (excluding) 2.2.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | expat | * | Up to (excluding) 2.2.0-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | expat | * | Up to (excluding) 2.1.1-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | expat | * | Up to (excluding) 2.1.1-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | expat | * | Up to (excluding) 2.1.1-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | expat | * | Up to (excluding) 2.1.0-1+deb7u4 | |||||
| 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_sid | expat | * | Up to (excluding) 2.1.1-3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_22 | expat-debuginfo | * | Up to (excluding) 2.1.1-2.fc22 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_23 | expat-debuginfo | * | Up to (excluding) 2.1.1-2.fc23 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_24 | expat-debuginfo | * | Up to (excluding) 2.1.1-2.fc24 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.1 | libexpat1 | * | Up to (excluding) 2.1.0-19.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.2 | libexpat1 | * | Up to (excluding) 2.1.0-19.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | expat | * | Up to (excluding) 2.0.1-88.41.1 | |||||
| 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_SP1 | libexpat1-32bit | * | Up to (excluding) 2.1.0-20.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | libexpat1-32bit | * | Up to (excluding) 2.1.0-20.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_12.04.5_lts | expat | * | Up to (excluding) 2.0.1-7.2ubuntu1.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | expat | * | Up to (excluding) 2.1.0-4ubuntu1.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | expat | * | Up to (excluding) 2.1.0-4ubuntu1.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | expat | * | Up to (excluding) 2.1.0-7ubuntu0.16.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | expat | * | Up to (excluding) 2.1.0-7ubuntu0.16.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | expat | * | Up to (excluding) 2.2.0-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.10 | expat | * | Up to (excluding) 2.2.0-1 | |||||
- 攻击路径 远程
- 攻击复杂度 困难
- 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 |
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