漏洞详情页面：http://seclists.org/oss-sec/2014/q3/650漏洞级别:非常严重漏洞信息：
1.测试是否存在漏洞，执行以下命令：env t='() { :;}; echo You are vulnerable.’ bash -c “true”如果显示You are vulnerable，很遗憾，必须立即打上安全补丁修复
2.修复漏洞办法 更新来自阿里云的方法：http://bbs.aliyun.com/read/176977.html
centos: yum -y update bash
ubuntu: 14.04 64bit wget http://mirrors.aliyun.com/fix_stuff/bash_4.3-7ubuntu1.1_amd64.deb && dpkg -i bash_4.3-7ubuntu1.1_amd64.deb
14.04 32bit wget http://mirrors.aliyun.com/fix_stuff/bash_4.3-7ubuntu1.1_i386.deb && dpkg -i bash_4.3-7ubuntu1.1_i386.deb
12.04 64bit wget http://mirrors.aliyun.com/fix_stuff/bash_4.2-2ubuntu2.2_amd64.deb && dpkg -i bash_4.2-2ubuntu2.2_amd64.deb
12.04 32bit wget http://mirrors.aliyun.com/fix_stuff/bash_4.2-2ubuntu2.2_i386.deb && dpkg -i bash_4.2-2ubuntu2.2_i386.deb
10.× 64bit wget http://mirrors.aliyun.com/fix_stuff/bash_4.1-2ubuntu3.1_amd64.deb && dpkg -i bash_4.1-2ubuntu3.1_amd64.deb
10.× 32bit wget http://mirrors.aliyun.com/fix_stuff/bash_4.1-2ubuntu3.1_i386.deb && dpkg -i bash_4.1-2ubuntu3.1_i386.deb
debian: 7.5 64bit && 32bit apt-get -y install –only-upgrade bash
6.0.x 64bit wget http://mirrors.aliyun.com/debian/pool/main/b/bash/bash_4.1-3%2bdeb6u1_amd64.deb && dpkg -i bash_4.1-3+deb6u1_amd64.deb
6.0.x 32bit wget http://mirrors.aliyun.com/debian/pool/main/b/bash/bash_4.1-3%2bdeb6u1_i386.deb && dpkg -i bash_4.1-3+deb6u1_i386.deb
opensuse: 13.1 64bit wget http://mirrors.aliyun.com/fix_stuff/bash-4.2-68.4.1.x86_64.rpm && rpm -Uvh bash-4.2-68.4.1.x86_64.rpm
13.1 32bit wget http://mirrors.aliyun.com/fix_stuff/bash-4.2-68.4.1.i586.rpm && rpm -Uvh bash-4.2-68.4.1.i586.rpm
aliyun linux: 5.x 64bit wget http://mirrors.aliyun.com/centos/5/updates/x86_64/RPMS/bash-3.2-33.el5.1.x86_64.rpm && rpm -Uvh bash-3.2-33.el5.1.x86_64.rpm
5.x 32bit wget http://mirrors.aliyun.com/centos/5/updates/i386/RPMS/bash-3.2-33.el5.1.i386.rpm && rpm -Uvh bash-3.2-33.el5.1.i386.rpm
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