This is a very important warning, and it is recommended that any Linux-based system be patched immediately.
A bug discovered in the widely used Bash command interpreter poses a critical security risk to Unix and Linux systems – and, thanks to their ubiquity, the wider internet.
It lands countless websites, servers, PCs, OS X Macs, various home routers, and more, in danger of hijacking by hackers.
Read more here:http://www.theregister.co.uk/2014/09/24/bash_shell_vuln/
or here: https://www.us-cert.gov/ncas/current-activity/2014/09/24/Bourne-Again-Shell-Bash-Remote-Code-Execution-Vulnerability
or here: https://www.us-cert.gov/ncas/current-activity/2014/09/24/Bourne-Again-Shell-Bash-Remote-Code-Execution-Vulnerability
Cywest has already deployed patches to critical systems, and we are recommending that all customers do the same as quickly as possible. A reverse shell possibility also exists with this bug, requiring Cywest to isolate and shut down any breached systems.
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