Bourne Again Shell (Bash) Remote Code Execution Vulnerability

["US-CERT" <US-CERT () ncas us-cert gov>]

NCCIC / US-CERT

National Cyber Awareness System:

Bourne Again Shell (Bash) Remote Code Execution Vulnerability [ 
https://www.us-cert.gov/ncas/current-activity/2014/09/24/Bourne-Again-Shell-Bash-Remote-Code-Execution-Vulnerability ] 
09/24/2014 06:06 PM EDT 
Original release date: September 24, 2014

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 [ 
https://securityblog.redhat.com/2014/09/24/bash-specially-crafted-environment-variables-code-injection-attack/ ] for 
additional details and to refer to their respective Linux or Unix-based OS vendor(s) for an appropriate patch. A GNU 
Bash patch [ http://lists.gnu.org/archive/html/bug-bash/2014-09/threads.html ] is also available for experienced users 
and administrators to implement.

Operating systems with updates include:


  * CentOS [ http://lists.centos.org/pipermail/centos/2014-September/146099.html ] 
  * Debian [ https://www.debian.org/security/2014/dsa-3032 ] 
  * Redhat [ https://access.redhat.com/site/solutions/1207723 ] 
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