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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Open Source GNU C library (glibc) vulnerability affects
IBM PureApplication System (CVE-2015-0235)
11 February 2015
AusCERT Security Bulletin Summary
Product: IBM PureApplication System
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2015-0235
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Security Bulletin: Open Source GNU C library (glibc) vulnerability affects IBM
PureApplication System (CVE-2015-0235)
More support for:
1.0, 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11, 18.104.22.168, 22.214.171.124,
126.96.36.199, 188.8.131.52, 2.0, 184.108.40.206
Linux Red Hat - xSeries, W1500, W2500
A vulnerability has been discovered in the way that the glibc library handles
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"
CVSS Base Score: 7.6
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/100386 for the
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
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.
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 220.127.116.11
IBM OS Image for Red Hat Linux Systems 18.104.22.168
IBM OS Image for Red Hat Linux Systems 22.214.171.124
IBM OS Image for Red Hat Linux Systems 126.96.36.199
IBM OS Image for Red Hat Linux Systems 188.8.131.52
IBM OS Image for Red Hat Linux Systems 184.108.40.206
Workarounds and Mitigations
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IBM Product Security Incident Response Blog
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.
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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