CVE编号
CVE-2017-1000257利用情况
暂无补丁情况
官方补丁披露时间
2017-11-01漏洞描述
IMAP FETCH响应行以字节数表示返回数据的大小。当该响应表明数据是零字节时，libcurl会使用指针传递该(不存在的)数据，并将大小(零)传递给传递数据函数。 libcurl的deliver-data函数将零视为magic number，并在数据上调用strlen()来计算长度。 strlen()在基于堆的缓冲区上调用，该缓冲区可能不会被终止，因此libcurl可能会读取超出其结尾的内存(或者只是崩溃)，然后将其传递给应用程序，就像它实际上已下载一样。解决建议
厂商已发布漏洞修复程序，请及时关注更新：https://curl.haxx.se/docs/adv_20171023.html
参考链接 |
|
|---|---|
| http://www.debian.org/security/2017/dsa-4007 | |
| http://www.securityfocus.com/bid/101519 | |
| http://www.securitytracker.com/id/1039644 | |
| https://access.redhat.com/errata/RHSA-2017:3263 | |
| https://access.redhat.com/errata/RHSA-2018:2486 | |
| https://access.redhat.com/errata/RHSA-2018:3558 | |
| https://curl.haxx.se/docs/adv_20171023.html | |
| https://security.gentoo.org/glsa/201712-04 |
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 | haxx | libcurl | * |
From (including) 7.20.0 |
Up to (including) 7.56.0 |
||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.3 | curl | * |
Up to (excluding) 7.55.0-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | curl | * |
Up to (excluding) 7.55.0-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.6 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | curl | * |
Up to (excluding) 7.56.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | curl | * |
Up to (excluding) 7.61.1-9.amzn2.0.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | curl | * |
Up to (excluding) 7.53.1-12.79.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | curl | * |
Up to (excluding) 7.29.0-42.el7_4.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | curl | * |
Up to (excluding) 7.26.0-1+wheezy22 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | curl | * |
Up to (excluding) 7.38.0-4+deb8u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | curl | * |
Up to (excluding) 7.52.1-5+deb9u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | curl | * |
Up to (excluding) 7.53.1-12.fc26 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | curl | * |
Up to (excluding) 7.55.1-7.fc27 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.2 | curl | * |
Up to (excluding) 7.37.0-23.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | curl | * |
Up to (excluding) 7.37.0-23.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | curl | * |
Up to (excluding) 7.29.0-42.el7_4.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | curl | * |
Up to (excluding) 7.37.0-37.8.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | curl | * |
Up to (excluding) 7.37.0-37.8.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | curl | * |
Up to (excluding) 7.35.0-1ubuntu2.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | curl | * |
Up to (excluding) 7.47.0-1ubuntu2.4 |
|||||
- 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
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