CVE编号
CVE-2017-13089利用情况
POC 已公开补丁情况
官方补丁披露时间
2017-10-28漏洞描述
在某些情况下调用http.c:skip_short_body()函数，比如在处理重定向时。当响应在1.19.2之前以块的形式在wget中发送时，块解析器使用strtol()读取每个块的长度，但不检查块的长度是否为非负数。然后，代码尝试使用MIN()宏以512字节为单位跳过块，但最终将负块长度传递给connect.c:fd_read()。当fd_read()接受一个int参数时，块长度的高32位被丢弃，留下fd_read()一个完全由攻击者控制的长度参数。解决建议
厂商已发布漏洞修复程序，请及时关注更新：https://ftp.gnu.org/gnu/wget/
参考链接 |
|
|---|---|
| http://git.savannah.gnu.org/cgit/wget.git/commit/?id=d892291fb8ace4c3b734ea51... | |
| http://www.debian.org/security/2017/dsa-4008 | |
| http://www.securityfocus.com/bid/101592 | |
| http://www.securitytracker.com/id/1039661 | |
| https://access.redhat.com/errata/RHSA-2017:3075 | |
| https://github.com/r1b/CVE-2017-13089 | |
| https://security.gentoo.org/glsa/201711-06 | |
| https://www.synology.com/support/security/Synology_SA_17_62_Wget | |
| https://www.viestintavirasto.fi/en/cybersecurity/vulnerabilities/2017/haavoit... |
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 | gnu | wget | * |
Up to (including) 1.19.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | wget | * |
Up to (excluding) 1.18-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | wget | * |
Up to (excluding) 1.18-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | wget | * |
Up to (excluding) 1.18-3.28.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | wget | * |
Up to (excluding) 1.14-15.el7_4.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | wget | * |
Up to (excluding) 1.13.4-3+deb7u5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | wget | * |
Up to (excluding) 1.16-1+deb8u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | wget | * |
Up to (excluding) 1.18-5+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_25 | wget | * |
Up to (excluding) 1.19.2-1.fc25 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | wget | * |
Up to (excluding) 1.19.2-1.fc26 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | wget | * |
Up to (excluding) 1.19.2-1.fc27 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.2 | wget | * |
Up to (excluding) 1.14-12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | wget | * |
Up to (excluding) 1.14-12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | wget | * |
Up to (excluding) 1.14-18.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | wget | * |
Up to (excluding) 1.14-21.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | wget | * |
Up to (excluding) 1.14-21.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | wget | * |
Up to (excluding) 1.15-1ubuntu1.14.04.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | wget | * |
Up to (excluding) 1.17.1-1ubuntu1.3 |
|||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 普通权限
- 影响范围 全局影响
- EXP成熟度 POC 已公开
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 N/A
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