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To all IT Professionals:

We have a pretty serious vulnerability for Operating Systems that use Bash, please see the notice below:

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US-CERT is aware of a Bash vulnerability affecting Unix-based operating systems such as Linux and Mac OS X. Exploitation of this vulnerability may allow a remote attacker to execute arbitrary code on an affected system.
US-CERT recommends users and administrators review the Redhat Security Blog (link is external) for additional details and to refer to their respective Linux or Unix-based OS vendor(s) for an appropriate patch. A GNU Bash patch is also available for experienced users and administrators to implement.

Operating systems with updates include:

    CentOS
    Debian
    Redhat (link is external)
    Ubuntu (link is external)

Link to full Article:

https://www.us-cert.gov/ncas/current-activity/2014/09/24/Bourne-Again-Shell-Bash-Remote-Code-Execution-Vulnerability

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Most Linux based operating systems have a fix available, please patch ASAP. The UNL ITS Security Team will keep you up to date when a fix becomes available for Mac OSX.


Mike


Michael Rutt | Sr. Security Analyst | [log in to unmask]<mailto:[log in to unmask]> | 402-472-0933