Bash – CentOS Updates

Number: AV14-072
Date: 26 September 2014


The purpose of this Advisory is to bring attention to recently released security updates for CentOS related to Bash.


CentOS has released security updates to address multiple vulnerabilities in Bash. Exploitation of certain services and applications can allow a remote unauthenticated attacker to provide environment variables, override or bypass environment restrictions to execute shell commands and run arbitrary code.

Affected Products :

CVE Reference: CVE-2014-6271, CVE-2014-7169

Suggested Action

CCIRC recommends that owner/operators test and deploy the vendor released updates or workarounds to affected platforms accordingly.


Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589

Date modified: