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CentOS ProjectCESA-2014:1293HistorySep 24, 2014 - 3:07 p.m.
bash security update
2014-09-2415:07:20
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lists.centos.org
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CentOS Errata and Security Advisory CESA-2014:1293
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.
A flaw was found in the way Bash evaluated certain specially crafted
environment variables. An attacker could 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-2014-6271)
For additional information on the CVE-2014-6271 flaw, refer to the
Knowledgebase article at https://access.redhat.com/articles/1200223
Red Hat would like to thank Stephane Chazelas for reporting this issue.
All bash users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2014-September/082744.html
https://lists.centos.org/pipermail/centos-announce/2014-September/082745.html
https://lists.centos.org/pipermail/centos-announce/2014-September/082747.html
https://lists.centos.org/pipermail/centos-announce/2014-September/095565.html
Affected packages:
bash
bash-doc
Upstream details at:
https://access.redhat.com/errata/RHSA-2014:1293
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| CentOS | 5 | i386 | bash | < 3.2-33.el5.1 | bash-3.2-33.el5.1.i386.rpm |
| CentOS | 5 | x86_64 | bash | < 3.2-33.el5.1 | bash-3.2-33.el5.1.x86_64.rpm |
| CentOS | 7 | x86_64 | bash | < 4.2.45-5.el7_0.2 | bash-4.2.45-5.el7_0.2.x86_64.rpm |
| CentOS | 7 | x86_64 | bash-doc | < 4.2.45-5.el7_0.2 | bash-doc-4.2.45-5.el7_0.2.x86_64.rpm |
| CentOS | 6 | i686 | bash | < 4.1.2-15.el6_5.1 | bash-4.1.2-15.el6_5.1.i686.rpm |
| CentOS | 6 | i686 | bash-doc | < 4.1.2-15.el6_5.1 | bash-doc-4.1.2-15.el6_5.1.i686.rpm |
| CentOS | 6 | x86_64 | bash | < 4.1.2-15.el6_5.1 | bash-4.1.2-15.el6_5.1.x86_64.rpm |
| CentOS | 6 | x86_64 | bash-doc | < 4.1.2-15.el6_5.1 | bash-doc-4.1.2-15.el6_5.1.x86_64.rpm |
| CentOS | 5 | i386 | bash | < 3.2-33.el5.1 | bash-3.2-33.el5.1.i386.rpm |
| CentOS | 5 | x86_64 | bash | < 3.2-33.el5.1 | bash-3.2-33.el5.1.x86_64.rpm |
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