关联漏洞
标题:
GNU glibc 基于堆的缓冲区错误漏洞
(CVE-2015-0235)
描述:GNU glibc(又名GNU C Library,libc6)是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU glibc 2.2版本和2.18之前2.x版本中的‘__nss_hostname_digits_dots’函数存在基于堆的缓冲区溢出漏洞。本地和远程攻击者都可通过调用‘ gethostbyname*()’函数利用该漏洞以运行应用程序的用户权限执行任意代码,控制系统。
描述
cookbook for update glibc. CVE-2015-0235(GHOST)
介绍
cookbook-update-glibc
==================
### Overview
cookbook for update glibc.
CVE-2015-0235(GHOST)
* Japan
http://www.walbrix.com/jp/blog/2015-01-ghost.html
* English
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-0235
### Description
update glibc by Chef Solo.
* Attention. this cookbook need to reboot.
* Platform is Ubuntu and CentOS.
### Requirement
* cookbook 'build-essential'
* cookbook 'apt'
* cookbook 'yum-epal'
### Install
* Ruby 2.1.5 or later
* gem install bundler
### Usage
* bundle install
```bash
bundle install
```
* set node
```json
{
"run_list": [
"recipe[security_check_glibc]", # set exploit code and compile
"recipe[security_update_glibc]" # node reboot after glibc update
]
}
```
* set test(default webapp)
```bash
$ mv spec/webapp spec/YourServer
```
* test
```bash
$ rake spec LOGIN_USER=loginuser PASS=userpassword
```
* provision server
```bash
$ bundle exec knife solo bootstrap YourServer
```
### Develop(Vagrant)
#### build and run test
* install virtualbox
* install vagrant
* bootstrapping
```bash
vagrant up
```
* add ssh config
```config
vagrant ssh-config >> ~/.ssh/config
```
* chanage Host
```
$ vim ~/.ssh/config
- Host default
+ Host webapp
```
* test
```bash
$ rake spec LOGIN_USER=vagrant PASS=vagrant
```
* provision server
```bash
$ bundle exec knife solo bootstrap webapp
```
* This Vagrant has been correspondence is complete.(glibc-2.12-1.149.el6_6.5.x86_64)
### Contribution
- Fork the this repository on GitHub
- Create a named feature branch (like add_component_x)
- Write your change
- If at all possible, write serverspec tests for your change and ensure they all pass
- Submit a pull request using GitHub
文件快照
[4.0K] /data/pocs/1187180054aa222c3e6e70d1e4347ddf3293c1a5
├── [ 199] Berksfile
├── [ 387] Berksfile.lock
├── [4.0K] data_bags
├── [4.0K] environments
├── [ 168] Gemfile
├── [4.6K] Gemfile.lock
├── [4.0K] nodes
│ └── [ 96] webapp.json
├── [ 521] Rakefile
├── [1.7K] README.md
├── [4.0K] roles
├── [4.0K] site-cookbooks
│ ├── [4.0K] security_check_glibc
│ │ ├── [ 495] CHANGELOG.md
│ │ ├── [ 347] metadata.rb
│ │ ├── [1.5K] README.md
│ │ ├── [4.0K] recipes
│ │ │ └── [ 453] default.rb
│ │ └── [4.0K] templates
│ │ └── [4.0K] default
│ │ └── [ 906] GHOST.c
│ └── [4.0K] security_update_glibc
│ ├── [ 511] CHANGELOG.md
│ ├── [ 356] metadata.rb
│ ├── [1.5K] README.md
│ └── [4.0K] recipes
│ └── [ 444] default.rb
├── [4.0K] spec
│ ├── [ 752] spec_helper.rb
│ └── [4.0K] webapp
│ └── [ 231] ghost_spec.rb
├── [3.0K] Vagrantfile
└── [ 44] Vagrantfile.chef
13 directories, 20 files
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