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unix – unethost無限空間虛擬主機 技術分享部落格 https://blog.unethost.com unethost 專注於提供優質的虛擬主機服務及相關問題解答 Tue, 14 Oct 2014 08:30:48 +0000 zh-TW hourly 1 https://wordpress.org/?v=6.0.8 如何檢測 Unix /Linux 的 Bash Shell 漏洞 https://blog.unethost.com/how_to_check_unix_linux_bash_shell_bugs/ Tue, 14 Oct 2014 08:23:29 +0000 http://blog.unethost.com/?p=848 閱讀全文 如何檢測 Unix /Linux 的 Bash Shell 漏洞]]> 接續上一篇文章: Unix /Linux 的Bash Shell 出現重大漏洞

請在 ssh shell 裡:

vim test.sh

test.sh 的內容如下:

[code language=”bash”]
#!/bin/bash
echo test begin.
env x='() { :;}; echo vulnerable’ bash -c ‘echo test done.'[/code]

存檔後,接著

chmod 755 test.sh

./test.sh

如果已經更新成功的os,就會顯示下列:

test begin.
test done.

 

ssh

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Unix /Linux 的Bash Shell 出現重大漏洞 https://blog.unethost.com/unix_linux_bash_shell_bugs/ Fri, 26 Sep 2014 01:55:39 +0000 http://blog.unethost.com/?p=837 閱讀全文 Unix /Linux 的Bash Shell 出現重大漏洞]]>  

 

關於Unix /Linux 的Bash Shell的漏洞問題,

原文出處: http://www.ithome.com.tw/news/91107

這邊就不在累敘,下列是相關OS的解法:

1. RHEL Clone (centos):

             yum -y update  或是 yum -y update bash

 

2. Debian Clone

            apt-get upgrade bash

 

更新完成後,bash的安全性就會得到補強。

 

(unethost.com虛擬主機,以於第一時間完成修正)

 

下列截圖是 centos完成修正後的範例:
shell

 

 

進階檢測請接續閱讀 : 如何檢測 Unix /Linux 的 Bash Shell 漏洞

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