Patch  oval:org.mitre.oval:def:27118
ELSA-2014-1306 -- bash security update (Important)  

The GNU Bourne Again shell (Bash) is a shell and command language interpreter compatible with the Bourne shell (sh). Bash is the default shell for Red Hat Enterprise Linux.
It was found that the fix for CVE-2014-6271 was incomplete, and Bash still allowed certain characters to be injected into other environments via specially crafted environment variables. An attacker could potentially use this flaw to override or bypass environment restrictions to execute shell commands. Certain services and applications allow remote unauthenticated attackers to provide environment variables, allowing them to exploit this issue. (CVE-2014-7169)
Applications which directly create bash functions as environment variables need to be made aware of changes to the way names are handled by this update. Note that certain services, screen sessions, and tmux sessions may need to be restarted, and affected interactive users may need to re-login. Installing these updated packages without restarting services will address the vulnerability, but functionality may be impacted until affected services are restarted. For more information see the Knowledgebase article at <A HREF="https://access.redhat.com/articles/1200223">https://access.redhat.com/articles/1200223</A>
Note: Docker users are advised to use &quot;yum update&quot; within their containers, and to commit the resulting changes.
For additional information on CVE-2014-6271 and CVE-2014-7169, refer to the aforementioned Knowledgebase article.
All bash users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.
Create Date: 2014-10-01 Last Update Date: 2014-11-17

Affected Platforms/Products

Affected Products (CPE + CVE references)
Platforms: unix (from OVAL definitions) Products: unix
  • Oracle Linux 5
  • Oracle Linux 6
  • Oracle Linux 7
  • bash

References

Criteria

The patch should be installed
IF : Any one of the following are true
IF : All of the following are true Oracle Linux 5 release section
Prerequisites (Extended Definitions)
Oracle Linux 5.x oval:org.mitre.oval:def:15459
IF : bash RPM is earlier than 0:3.2-33.el5_11.4
Linux : RPM Test :  bash RPM is earlier than 0:3.2-33.el5_11.4 
At least one of the objects listed below must exist on the system (Existence check)
RPM Version less than 0:3.2-33.el5_11.4 (datatype=evr_string)
version is earlier than 0:3.2-33.el5_11.4 linux : rpminfo_state 
IF : All of the following are true Oracle Linux 6 release section
Prerequisites (Extended Definitions)
Oracle Linux 6.x oval:org.mitre.oval:def:16594
IF : Any one of the following are true Packages match section
IF : bash-doc RPM is earlier than 0:4.1.2-15.el6_5.2
Linux : RPM Test :  bash-doc RPM is earlier than 0:4.1.2-15.el6_5.2 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
bash-doc
RPM Version less than 0:4.1.2-15.el6_5.2 (datatype=evr_string)
version is earlier than 0:4.1.2-15.el6_5.2 linux : rpminfo_state 
IF : bash RPM is earlier than 0:4.1.2-15.el6_5.2
Linux : RPM Test :  bash RPM is earlier than 0:4.1.2-15.el6_5.2 
At least one of the objects listed below must exist on the system (Existence check)
RPM Version less than 0:4.1.2-15.el6_5.2 (datatype=evr_string)
version is earlier than 0:4.1.2-15.el6_5.2 linux : rpminfo_state 
IF : All of the following are true Oracle Linux 7 release section
Prerequisites (Extended Definitions)
Oracle Linux 7.x oval:org.mitre.oval:def:25183
IF : Any one of the following are true Packages match section
IF : bash RPM is earlier than 0:4.2.45-5.el7_0.4
Linux : RPM Test :  bash RPM is earlier than 0:4.2.45-5.el7_0.4 
At least one of the objects listed below must exist on the system (Existence check)
RPM Version less than 0:4.2.45-5.el7_0.4 (datatype=evr_string)
version is earlier than 0:4.2.45-5.el7_0.4 linux : rpminfo_state 
IF : bash-doc RPM is earlier than 0:4.2.45-5.el7_0.4
Linux : RPM Test :  bash-doc RPM is earlier than 0:4.2.45-5.el7_0.4 
At least one of the objects listed below must exist on the system (Existence check)
Linux : RPM Package 
bash-doc
RPM Version less than 0:4.2.45-5.el7_0.4 (datatype=evr_string)
version is earlier than 0:4.2.45-5.el7_0.4 linux : rpminfo_state 

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evr_string datatype
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OVAL Definitions By Referenced Objects

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