CVE编号
CVE-2018-14618利用情况
暂无补丁情况
官方补丁披露时间
2018-09-06漏洞描述
版本7.61.1之前的curl容易受到NTLM身份验证代码中的缓冲区溢出的影响。内部函数Curl_ntlm_core_mk_nt_hash将密码的长度乘以2(SUM)，以计算从堆中分配的临时存储区域的大小。然后，长度值用于迭代密码并生成输出到分配的存储缓冲区。在具有32位size_t的系统上，当密码长度超过2GB(2 ^ 31字节)时，计算SUM的数学会触发整数溢出。这个整数溢出通常导致一个非常小的缓冲区实际上被分配而不是预期的非常大的缓冲区，使得该缓冲区的使用最终在堆缓冲区溢出。 (这个bug几乎与CVE-2017-8816相同。)解决建议
厂商已发布漏洞修复程序，请及时关注更新：https://github.com/curl/curl/commit/57d299a499155d4b327e341c6024e293b0418243.patch
参考链接 |
|
|---|---|
| http://www.securitytracker.com/id/1041605 | |
| https://access.redhat.com/errata/RHSA-2018:3558 | |
| https://access.redhat.com/errata/RHSA-2019:1880 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14618 | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-436177.pdf | |
| https://curl.haxx.se/docs/CVE-2018-14618.html | |
| https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0014 | |
| https://security.gentoo.org/glsa/201903-03 | |
| https://usn.ubuntu.com/3765-1/ | |
| https://usn.ubuntu.com/3765-2/ | |
| https://www.debian.org/security/2018/dsa-4286 |
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 | * |
Up to (excluding) 7.61.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | curl | * |
Up to (excluding) 7.29.0-51.1.al7.3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.6 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | curl | * |
Up to (excluding) 7.61.1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | curl | * |
Up to (excluding) 7.55.1-12.amzn2.0.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | curl | * |
Up to (excluding) 7.53.1-16.85.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | curl | * |
Up to (excluding) 7.29.0-51.el7_6.3 |
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| 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+deb9u7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | curl | * |
Up to (excluding) 7.55.1-14.fc27 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_28 | curl | * |
Up to (excluding) 7.59.0-7.fc28 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_29 | curl | * |
Up to (excluding) 7.61.1-1.fc29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.0 | curl | * |
Up to (excluding) 7.60.0-lp150.2.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | curl | * |
Up to (excluding) 7.37.0-39.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | curl | * |
Up to (excluding) 7.29.0-54.0.1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | curl | * |
Up to (excluding) 7.37.0-70.33.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | curl | * |
Up to (excluding) 7.37.0-37.26.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | curl | * |
Up to (excluding) 7.35.0-1ubuntu2.17 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | curl | * |
Up to (excluding) 7.47.0-1ubuntu2.9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | curl | * |
Up to (excluding) 7.58.0-2ubuntu3.3 |
|||||
- 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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