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AUSCERT External Security Bulletin Redistribution
ESB-2014.1705
GNU BASH vulnerabilities in IBM QRadar 7.1.x, QRadar 7.2.x, IBM QRadar
Forensics 7.2.x (CVE-2014-6271, CVE-2014-7169)
30 September 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Security QRadar SIEM
Publisher: IBM
Operating System: Linux variants
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2014-7169 CVE-2014-6271
Reference: ASB-2014.0110
ESB-2014.1701
ESB-2014.1699
ESB-2014.1698
ESB-2014.1697
ESB-2014.1674
Original Bulletin:
http://www-01.ibm.com/support/docview.wss?uid=swg21685541
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Security Bulletin: GNU BASH vulnerabilities in IBM QRadar 7.1.x, QRadar 7.2.x,
IBM QRadar Forensics 7.2.x (CVE-2014-6271, CVE-2014-7169)
Document information
More support for:
IBM Security QRadar SIEM
Installation
Software version:
7.0, 7.1, 7.2
Operating system(s):
Linux
Reference #:
1685541
Modified date:
2014-09-26
Security Bulletin
Summary
QRadar appliances use a version of Bash vulnerable to CVE-2014-6271 and
CVE-2014-7169 ("bash Bug" or "Shellshock").
Vulnerability Details
CVEID: 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 inject and execute arbitrary shell
commands on the system.
CVSS:
CVSS Base Score: 10
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)
CVEID: 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, the mod_cgi and mod_cgid modules in the Apache HTTP
Server to write to files and execute arbitrary commands on the system.
CVSS:
CVSS Base Score: 10
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)
Affected Products and Versions
QRadar 7.1.x
QRadar 7.2.x
QRadar Forensics 7.2 MR2
Remediation/Fixes
The recommended solution is to apply the fix for each named product as soon as
practical. Please see below for information about the fixes available.
Download fixes from the following location and follow installation
instructions provided in the Release Notes.
For CVE-2014-6271
http://www-933.ibm.com/support/fixcentral/swg/downloadFixes?parent=Security%2BSystems&product=ibm/Other+software/IBM+Security+QRadar+SIEM&release=All&platform=Linux&function=fixId&fixids=QRADAR-QRSIEM-CVE-2014-6271&includeRequisites=1&includeSupersedes=0&downloadMethod=http
For CVE-2014-7169
http://www.ibm.com/support/fixcentral/swg/quickorder?parent=Security%2BSystems&product=ibm/Other+software/IBM+Security+QRadar+SIEM&release=All&platform=Linux&function=fixId&fixids=QRADAR-QRSIEM-CVE-2014-7169&includeRequisites=1&includeSupersedes=0&downloadMethod=http&source=fc
Workarounds and Mitigations
No Workaround, Follow instruction in Fixes above.
References
Complete CVSS Guide
On-line Calculator V2
http://xforce.iss.net/xforce/xfdb/96209
http://xforce.iss.net/xforce/xfdb/96153
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
26 September 2014 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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