CVE编号
CVE-2018-20852利用情况
暂无补丁情况
官方补丁披露时间
2019-07-14漏洞描述
3.7.3之前的Python中的Lib/http/cookiejar.py中的http.cookiejar.DefaultPolicy.domain_return_ok无法正确验证域：它可能被诱骗将现有cookie发送到错误的服务器。攻击者可以通过使用主机名带有另一个有效主机名作为后缀的服务器来滥用此漏洞（例如，pythonicexample.com窃取example.com的cookie）。当程序使用http.cookiejar.DefaultPolicy并尝试与攻击者控制的服务器建立HTTP连接时，现有的cookie可能会泄漏给攻击者。这会影响2.x到2.7.16、3.4.10之前的3.x，3.5.7之前的3.5.x，3.6.9之前的3.6.x和3.7.3之前的3.7.x.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://bugs.python.org/issue35121
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00071.html | |
| http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00074.html | |
| http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html | |
| https://access.redhat.com/errata/RHSA-2019:3725 | |
| https://access.redhat.com/errata/RHSA-2019:3948 | |
| https://bugs.python.org/issue35121 | |
| https://lists.debian.org/debian-lts-announce/2019/08/msg00022.html | |
| https://lists.debian.org/debian-lts-announce/2019/08/msg00040.html | |
| https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html | |
| https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://python-security.readthedocs.io/vuln/cookie-domain-check.html | |
| https://security.gentoo.org/glsa/202003-26 | |
| https://usn.ubuntu.com/4127-1/ | |
| https://usn.ubuntu.com/4127-2/ | |
| https://www.oracle.com/security-alerts/cpuapr2020.html |
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 | python | python | * |
From (including) 2.0 |
Up to (including) 2.7.16 |
||||
| 运行在以下环境 | |||||||||
| 应用 | python | python | * |
From (including) 3.0.0 |
Up to (excluding) 3.4.10 |
||||
| 运行在以下环境 | |||||||||
| 应用 | python | python | * |
From (including) 3.5.0 |
Up to (excluding) 3.5.7 |
||||
| 运行在以下环境 | |||||||||
| 应用 | python | python | * |
From (including) 3.6.0 |
Up to (excluding) 3.6.9 |
||||
| 运行在以下环境 | |||||||||
| 应用 | python | python | * |
From (including) 3.7.0 |
Up to (excluding) 3.7.3 |
||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | python | * |
Up to (excluding) 0:2.7.5-88.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | python3 | * |
Up to (excluding) 0:3.6.8-13.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | python-devel | * |
Up to (excluding) 2.7.13-28.31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | python2.7 | * |
Up to (excluding) 2.7.6-8ubuntu0.6+esm2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | python2.7 | * |
Up to (excluding) 2.7.12-1ubuntu0~16.04.8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | python2.7 | * |
Up to (excluding) 2.7.15-4ubuntu4~18.04.1 |
|||||
- 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 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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