30 September 2014
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== 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 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to firstname.lastname@example.org and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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