exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Red Hat Security Advisory 2014-1293-01

Red Hat Security Advisory 2014-1293-01
Posted Sep 24, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1293-01 - The GNU Bourne Again shell is a shell and command language interpreter compatible with the Bourne shell. 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.

tags | advisory, remote, shell, bash
systems | linux, redhat
advisories | CVE-2014-6271
SHA-256 | 11602d72b531b9a3376befaf2f40d6b9bc9bb40b1d354a5986c1541d7c56f5cd

Red Hat Security Advisory 2014-1293-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

=====================================================================
Red Hat Security Advisory

Synopsis: Critical: bash security update
Advisory ID: RHSA-2014:1293-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1293.html
Issue date: 2014-09-24
CVE Names: CVE-2014-6271
=====================================================================

1. Summary:

Updated bash packages that fix one security issue are now available for Red
Hat Enterprise Linux 5, 6, and 7.

Red Hat Product Security has rated this update as having Critical security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

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.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1141597 - CVE-2014-6271 bash: specially-crafted environment variables can be used to inject shell commands

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
bash-3.2-33.el5.1.src.rpm

i386:
bash-3.2-33.el5.1.i386.rpm
bash-debuginfo-3.2-33.el5.1.i386.rpm

x86_64:
bash-3.2-33.el5.1.x86_64.rpm
bash-debuginfo-3.2-33.el5.1.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
bash-3.2-33.el5.1.src.rpm

i386:
bash-3.2-33.el5.1.i386.rpm
bash-debuginfo-3.2-33.el5.1.i386.rpm

ia64:
bash-3.2-33.el5.1.i386.rpm
bash-3.2-33.el5.1.ia64.rpm
bash-debuginfo-3.2-33.el5.1.i386.rpm
bash-debuginfo-3.2-33.el5.1.ia64.rpm

ppc:
bash-3.2-33.el5.1.ppc.rpm
bash-debuginfo-3.2-33.el5.1.ppc.rpm

s390x:
bash-3.2-33.el5.1.s390x.rpm
bash-debuginfo-3.2-33.el5.1.s390x.rpm

x86_64:
bash-3.2-33.el5.1.x86_64.rpm
bash-debuginfo-3.2-33.el5.1.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
bash-4.1.2-15.el6_5.1.src.rpm

i386:
bash-4.1.2-15.el6_5.1.i686.rpm
bash-debuginfo-4.1.2-15.el6_5.1.i686.rpm

x86_64:
bash-4.1.2-15.el6_5.1.x86_64.rpm
bash-debuginfo-4.1.2-15.el6_5.1.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
bash-4.1.2-15.el6_5.1.src.rpm

i386:
bash-debuginfo-4.1.2-15.el6_5.1.i686.rpm
bash-doc-4.1.2-15.el6_5.1.i686.rpm

x86_64:
bash-debuginfo-4.1.2-15.el6_5.1.x86_64.rpm
bash-doc-4.1.2-15.el6_5.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
bash-4.1.2-15.el6_5.1.src.rpm

x86_64:
bash-4.1.2-15.el6_5.1.x86_64.rpm
bash-debuginfo-4.1.2-15.el6_5.1.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
bash-4.1.2-15.el6_5.1.src.rpm

x86_64:
bash-debuginfo-4.1.2-15.el6_5.1.x86_64.rpm
bash-doc-4.1.2-15.el6_5.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
bash-4.1.2-15.el6_5.1.src.rpm

i386:
bash-4.1.2-15.el6_5.1.i686.rpm
bash-debuginfo-4.1.2-15.el6_5.1.i686.rpm

ppc64:
bash-4.1.2-15.el6_5.1.ppc64.rpm
bash-debuginfo-4.1.2-15.el6_5.1.ppc64.rpm

s390x:
bash-4.1.2-15.el6_5.1.s390x.rpm
bash-debuginfo-4.1.2-15.el6_5.1.s390x.rpm

x86_64:
bash-4.1.2-15.el6_5.1.x86_64.rpm
bash-debuginfo-4.1.2-15.el6_5.1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
bash-4.1.2-15.el6_5.1.src.rpm

i386:
bash-debuginfo-4.1.2-15.el6_5.1.i686.rpm
bash-doc-4.1.2-15.el6_5.1.i686.rpm

ppc64:
bash-debuginfo-4.1.2-15.el6_5.1.ppc64.rpm
bash-doc-4.1.2-15.el6_5.1.ppc64.rpm

s390x:
bash-debuginfo-4.1.2-15.el6_5.1.s390x.rpm
bash-doc-4.1.2-15.el6_5.1.s390x.rpm

x86_64:
bash-debuginfo-4.1.2-15.el6_5.1.x86_64.rpm
bash-doc-4.1.2-15.el6_5.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
bash-4.1.2-15.el6_5.1.src.rpm

i386:
bash-4.1.2-15.el6_5.1.i686.rpm
bash-debuginfo-4.1.2-15.el6_5.1.i686.rpm

x86_64:
bash-4.1.2-15.el6_5.1.x86_64.rpm
bash-debuginfo-4.1.2-15.el6_5.1.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
bash-4.1.2-15.el6_5.1.src.rpm

i386:
bash-debuginfo-4.1.2-15.el6_5.1.i686.rpm
bash-doc-4.1.2-15.el6_5.1.i686.rpm

x86_64:
bash-debuginfo-4.1.2-15.el6_5.1.x86_64.rpm
bash-doc-4.1.2-15.el6_5.1.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
bash-4.2.45-5.el7_0.2.src.rpm

x86_64:
bash-4.2.45-5.el7_0.2.x86_64.rpm
bash-debuginfo-4.2.45-5.el7_0.2.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
bash-debuginfo-4.2.45-5.el7_0.2.x86_64.rpm
bash-doc-4.2.45-5.el7_0.2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
bash-4.2.45-5.el7_0.2.src.rpm

x86_64:
bash-4.2.45-5.el7_0.2.x86_64.rpm
bash-debuginfo-4.2.45-5.el7_0.2.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
bash-debuginfo-4.2.45-5.el7_0.2.x86_64.rpm
bash-doc-4.2.45-5.el7_0.2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
bash-4.2.45-5.el7_0.2.src.rpm

ppc64:
bash-4.2.45-5.el7_0.2.ppc64.rpm
bash-debuginfo-4.2.45-5.el7_0.2.ppc64.rpm

s390x:
bash-4.2.45-5.el7_0.2.s390x.rpm
bash-debuginfo-4.2.45-5.el7_0.2.s390x.rpm

x86_64:
bash-4.2.45-5.el7_0.2.x86_64.rpm
bash-debuginfo-4.2.45-5.el7_0.2.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
bash-debuginfo-4.2.45-5.el7_0.2.ppc64.rpm
bash-doc-4.2.45-5.el7_0.2.ppc64.rpm

s390x:
bash-debuginfo-4.2.45-5.el7_0.2.s390x.rpm
bash-doc-4.2.45-5.el7_0.2.s390x.rpm

x86_64:
bash-debuginfo-4.2.45-5.el7_0.2.x86_64.rpm
bash-doc-4.2.45-5.el7_0.2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
bash-4.2.45-5.el7_0.2.src.rpm

x86_64:
bash-4.2.45-5.el7_0.2.x86_64.rpm
bash-debuginfo-4.2.45-5.el7_0.2.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
bash-debuginfo-4.2.45-5.el7_0.2.x86_64.rpm
bash-doc-4.2.45-5.el7_0.2.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2014-6271.html
https://access.redhat.com/security/updates/classification/#critical
https://access.redhat.com/articles/1200223

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2014 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iD8DBQFUIuDfXlSAg2UNWIIRApvyAJsG0VaYlQhEKVcMvf8JI9wodoTvzgCguesK
as7HWQ6KnC6/EUV3/jCa/Xs=
=x9JS
-----END PGP SIGNATURE-----


--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

March 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    16 Files
  • 2
    Mar 2nd
    0 Files
  • 3
    Mar 3rd
    0 Files
  • 4
    Mar 4th
    32 Files
  • 5
    Mar 5th
    28 Files
  • 6
    Mar 6th
    42 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    13 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    15 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    21 Files
  • 14
    Mar 14th
    38 Files
  • 15
    Mar 15th
    15 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    10 Files
  • 19
    Mar 19th
    32 Files
  • 20
    Mar 20th
    46 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    13 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    12 Files
  • 26
    Mar 26th
    31 Files
  • 27
    Mar 27th
    19 Files
  • 28
    Mar 28th
    42 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close