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AUSCERT External Security Bulletin Redistribution
ESB-2015.0343
Security Bulletin: Open Source GNU C library (glibc) vulnerability affects
IBM PureApplication System (CVE-2015-0235)
11 February 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM PureApplication System
Publisher: IBM
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-0235
Reference: ASB-2015.0014
ESB-2015.0340
ESB-2015.0339
ESB-2015.0338
ESB-2015.0298
ESB-2015.0295
ESB-2015.0287
ESB-2015.0286
ESB-2015.0281
ESB-2015.0275
ESB-2015.0264
ESB-2015.0255
ESB-2015.0245
ESB-2015.0227
ESB-2015.0219.2
ESB-2015.0212
ESB-2015.0203
ESB-2015.0190
ESB-2015.0188
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21696602
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Security Bulletin: Open Source GNU C library (glibc) vulnerability affects IBM
PureApplication System (CVE-2015-0235)
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, 1.1.0.5, 2.0, 2.0.0.1
Operating system(s):
Linux Red Hat - xSeries, W1500, W2500
Reference #:
1696602
Modified date:
2015-02-10
Summary
A vulnerability has been discovered in the way that the glibc library handles
DNS lookups.
Vulnerability Details
CVEID: CVE-2015-0235
DESCRIPTION:
The gethostbyname functions of the GNU C Library (glibc) are vulnerable to a
buffer overflow. A remote attacker could overflow a buffer and execute
arbitrary code on the system with the privileges of the targeted process or
cause the process to crash. This issue is being referred to as the "Ghost"
vulnerability.
CVSS Base Score: 7.6
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/100386 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C)
Affected Products and Versions
IBM PureApplication System V1.0
IBM PureApplication System V1.1
IBM PureApplication System V2.0
Remediation/Fixes
The deployed Red Hat Linux-based virtual machines on all IBM PureApplication
Systems types are affected. The solution is to apply the following IBM
PureApplication System emergency fix to the deployed virtual machines.
http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=PureSystems&product=ibm/WebSphere/PureApplication+System&release=All&platform=All&function=fixId&fixids=HV_RHEL6_X64_GLIBC_PA_EFIX&includeSupersedes=0
1. Import the fix into the Emergency Fix catalogue.
2. For deployed instances, apply this emergency fix on the VM. The glibc will
be upgraded to 2.12-1.149.el6_6.5.
This emergency fix can be applied to:
IBM OS Image for Red Hat Linux System 2.0
IBM OS Image for Red Hat Linux Systems 2.0.0.1
IBM OS Image for Red Hat Linux Systems 2.0.0.2
IBM OS Image for Red Hat Linux Systems 2.0.0.3
IBM OS Image for Red Hat Linux Systems 2.0.0.4
IBM OS Image for Red Hat Linux Systems 2.1.0.0
IBM OS Image for Red Hat Linux Systems 2.1.0.1
Workarounds and Mitigations
None
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References
Complete CVSS Guide
On-line Calculator V2
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
11 February 2015: 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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