1、redhat、centos 运行命令: $ env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
2.debian、ubuntu 运行命令: $ sudo env x='() { :;}; echo vulnerable' bash -c "echo this is a test"
如果返回以下内容:则请尽快升级。 vulnerable this is test
1、redhat、centos 运行:
#yum clean all #yum -y update bash
2.debian、ubuntu 运行: $sudo apt-get update $sudo apt-get upgrade
最后测试(以ubuntu为例):
test@bogon:~$ sudo env x="() { :;}; echo vulnerable" bash -c "echo this is test" bash: warning: x: ignoring function definition attempt bash: error importing function definition for `x' this is test
返回以上内容表示已升级成功
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