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AUSCERT External Security Bulletin Redistribution
ESB-2014.1821
Vulnerabilities in Bash affect IBM PureApplication System
13 October 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM PureApplication System
IBM InfoSphere Information Server
Publisher: IBM
Operating System: Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2014-7187 CVE-2014-7186 CVE-2014-7169
CVE-2014-6278 CVE-2014-6277 CVE-2014-6271
Reference: ASB-2014.0115
ASB-2014.0114
ASB-2014.0111
ASB-2014.0110
ESB-2014.1657
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21686246
http://www-01.ibm.com/support/docview.wss?uid=swg21685977
Comment: This bulletin contains two (2) IBM security advisories.
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Security Bulletin: Vulnerabilities in Bash affect IBM PureApplication System
(CVE-2014-6271, CVE-2014-7169, CVE-2014-7186, CVE-2014-7187, CVE-2014-6277,
CVE-2014-6278)
Security Bulletin
Document information
More support for:
PureApplication System
Security
Software version:
1.0, 1.0.0.1, 1.0.0.2, 1.0.0.3, 1.0.0.4, 1.1.0.0, 1.1.0.1, 1.1.0.2, 1.1.0.3,
1.1.0.4, 2.0
Operating system(s):
Linux Red Hat - xSeries, W1500, W2500
Reference #:
1686246
Modified date:
2014-10-10
Summary
Six Bash vulnerabilities were disclosed in September 2014. This bulletin
addresses the vulnerabilities that have been referred to as Bash Bug or
Shellshock and two memory corruption vulnerabilities. Bash is used by IBM
PureApplication System.
Vulnerability Details
CVE-ID: CVE-2014-6271
DESCRIPTION: GNU Bash could allow a remote attacker to execute arbitrary
commands on the system, caused by an error when evaluating specially crafted
environment variables passed to it by the Bash functionality. An attacker
could exploit this vulnerability to write to files and execute arbitrary
commands on the system.
CVSS Base Score: 10.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/96153 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVE-ID: CVE-2014-7169
DESCRIPTION: GNU Bash could allow a remote attacker to execute arbitrary
commands on the system, caused by an incomplete fix related to malformed
function definitions in the values of environment variables. An attacker could
exploit this vulnerability using attack vectors involving the ForceCommand
feature in OpenSSH sshd, and the mod_cgi and mod_cgid modules in the Apache
HTTP Server to write to files and execute arbitrary commands on the system.
CVSS Base Score: 10.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/96209 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVE-ID: CVE-2014-7186
DESCRIPTION: GNU Bash could allow a local attacker to execute arbitrary code
on the system, caused by an out-of-bounds memory access while handling
redir_stack. An attacker could exploit this vulnerability to execute arbitrary
code on the system or cause a denial of service.
CVSS Base Score: 4.6
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/96237 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)
CVE-ID: CVE-2014-7187
DESCRIPTION: GNU Bash could allow a local attacker to execute arbitrary code
on the system, caused by an off-by-one error when handling deeply nested flow
control constructs. An attacker could exploit this vulnerability to execute
arbitrary code on the system or cause a denial of service.
CVSS Base Score: 4.6
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/96238 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)
CVE-ID: CVE-2014-6277
DESCRIPTION: GNU Bash could allow a remote attacker to execute arbitrary code
on the system, caused by an incomplete fix related to the failure to properly
parse function definitions in the values of environment variables. An attacker
could exploit this vulnerability using attack vectors involving the
ForceCommand feature in OpenSSH sshd, and the mod_cgi and mod_cgid modules in
the Apache HTTP Server to execute arbitrary code on the system or cause a
denial of service.
CVSS Base Score: 10.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/96686 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVE-ID: CVE-2014-6278
DESCRIPTION: GNU Bash could allow a remote attacker to execute arbitrary code
on the system, caused by an incomplete fix related to the parsing of user
scripts. An attacker could exploit this vulnerability to execute arbitrary
code on the system or cause a denial of service.
CVSS Base Score: 10.0
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/96687 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Affected Products and Versions
IBM PureApplication System Version 1.0 and later fix packs
IBM PureApplication System Version 1.1 and later fix packs
IBM PureApplication System Version 2.0 and later fix packs
Remediation/Fixes
The solution is to apply the fixes with the following direction:
PureSystems Managers:
The PureSystems Managers on all IBM PureApplication System versions are
affected. Upgrade the IBM PureApplication System to the following interim Fix
(iFix) levels:
IBM PureApplication System Version 1.0 and later fix packs:
Upgrade to IBM PureApplication System V1.0.0.4 iFix 9
IBM PureApplication System Version 1.1 and later fix packs:
Upgrade to IBM PureApplication System V1.1.0.4 iFix 4
IBM PureApplication System Version 2.0 and later fix packs:
Upgrade to IBM PureApplication System V2.0.0.0 iFix 2
Deployed Virtual Machines:
Deployed AIX virtual machines are not affected. Upgrade all deployed Red Hat
Linux virtual machines by using an emergency fix (eFix) provided by IBM:
Download the eFix from IBM Fix Central (see the following link):
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/WebSphere/PureApplication+System&release=All&platform=All&function=fixId&fixids=RedHat_Image_Bash_Vulnerability&includeSupersedes=0
Import the eFix into the IBM PureApplication System Emergency Fix catalog.
Apply this Emergency Fix on each deployed Red Hat Linux virtual machine.
Bash is upgraded to version bash-4.1.2-15.e16_5.2.
Images:
For images, you can use the new default image, or you can extend and capture
the existing image by using the following general procedure:
Import the eFix into the IBM Workload Deployer Emergency Fix catalog.
From the image catalog, select the image and click "Extend."
After the image extend operation completes succcessfully, click Service
from the deployed virtual machine.
Apply this emergency fix.
From the image catalog, capture the image.
Use this newly captured image for future deployment.
Workarounds and Mitigations
None known
References
Complete CVSS Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Subscribe to Security Bulletins
Acknowledgement
None
Change History
09 October 2014 Original Version Published
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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Security Bulletin: A security vulnerability has been identified in IBM
PureApplication System shipped with IBM InfoSphere Information Server
Hypervisor edition (CVE-2014-6271, CVE-2014-7169, CVE-2014-7186,
CVE-2014-7187, CVE-2014-6277, and CVE-2014-6278)
Security Bulletin
Document information
More support for:
InfoSphere Information Server
Hypervisor Edition Packages for Red Hat Enterprise Linux Server
Software version:
9.1
Operating system(s):
Linux
Reference #:
1685977
Modified date:
2014-10-10
Summary
IBM PureApplication System is shipped as a component of IBM InfoSphere
Information Server Hypervisor edition. Information about a security
vulnerability affecting IBM PureApplication System has been published in a
security bulletin. Other than the Information Server Hypervisor edition,
Information Server and its components are not vulnerable.
Vulnerability Details
Please consult the security bulletin, Vulnerabilities in Bash affect IBM
PureApplication System (CVE-2014-6271, CVE-2014-7169, CVE-2014-7186,
CVE-2014-7187, CVE-2014-6277, CVE-2014-6278) for vulnerability details and
information about fixes.
Affected Products and Versions
Principal Product and Version(s) Affected Supporting Product and Version
InfoSphere Information Server PureApplication System versions 1.0.0.0 to 1.1.0.2
Hypervisor Edition version 9.1
on Red Hat Linux
NOTE: No other versions of
InfoSphere Information Server are
affected by this vulnerability.
References
Complete CVSS Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
09 October 2014: Original Version Published
*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
Cross reference information Segment Product Component Platform Version Edition
Information Management InfoSphere Information Server
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