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 | Last revised: September 30, 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 TA14-268A [ http://www.us-cert.gov/ncas/alerts/TA14-268A ], 
Vulnerability Note VU#252743 [ http://www.kb.cert.org/vuls/id/252743 ] and 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.

________________________________________________________________________

This product is provided subject to this Notification [ http://www.us-cert.gov/privacy/notification ] and this Privacy 
& Use [ http://www.us-cert.gov/privacy/ ] policy.

________________________________________________________________________

OTHER RESOURCES: Contact Us [ http://www.us-cert.gov/contact-us/ ] | Security Publications [ 
http://www.us-cert.gov/security-publications ] | Alerts and Tips [ http://www.us-cert.gov/ncas ] | Related Resources [ 
http://www.us-cert.gov/related-resources ] 

STAY CONNECTED: Sign up for email updates [ http://public.govdelivery.com/accounts/USDHSUSCERT/subscriber/new ]