"Shellshock" bash bug

NoOp glgxg at sbcglobal.net
Fri Sep 26 18:44:12 UTC 2014


On 09/26/2014 08:43 AM, Kevin O'Gorman wrote:
> There has been a code-injection vulnerability in bash for the last 22
> years, recently discovered and named "Shellshock".  It's nasty. 
> http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-6271
> 
> Here's a quick one-liner to see if you're vulnerable:
> $ env x='() { :;}; echo vulnerable'  bash -c "echo this is a test"
> vulnerable
> this is a test
> $
> 
> If you get that result, update your bash from the repositories, and all
> should be well:
> $ env x='() { :;}; echo vulnerable'  bash -c "echo this is a test"
> bash: warning: x: ignoring function definition attempt
> bash: error importing function definition for `x'
> this is a test
> $
> 
> Safe computing to all

Updates were pushed out yesterday & this morning:

Ubuntu Security Notice USN-2363-1
September 25, 2014

Ubuntu Security Notice USN-2363-2
September 26, 2014
(2363-1 didn't work for 14.04, this is the fix for that)







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